Update ebpf dashboard (#12467)

1 files changed, 356 insertions, 146 deletions

diff --git a/web/gui/dashboard_info.js b/web/gui/dashboard_info.js
index fdf8eb1484..e5a84cc9c7 100644
--- a/web/gui/dashboard_info.js
+++ b/web/gui/dashboard_info.js
@@ -611,6 +611,7 @@ netdataDashboard.menu = {
     'filesystem': {
         title: 'Filesystem',
         icon: '<i class="fas fa-hdd"></i>',
+        info: 'Number of filesystem events for <a href="#menu_filesystem_submenu_vfs">Virtual File System</a>, <a href="#menu_filesystem_submenu_file_access">File Access</a>, <a href="#menu_filesystem_submenu_directory_cache__eBPF_">Directory cache</a>, and file system latency (<a href="#menu_filesystem_submenu_btrfs_latency">BTRFS</a>, <a href="#menu_filesystem_submenu_ext4_latency">EXT4</a>, <a href="#menu_filesystem_submenu_nfs_latency">NFS</a>, <a href="#menu_filesystem_submenu_xfs_latency">XFS</a>, and <a href="#menu_filesystem_submenu_xfs_latency">ZFS</a>) when your disk has the file system. Filesystem charts have relationship with <a href="#menu_system_submenu_swap">SWAP</a>, <a href="#menu_disk">Disk</a>, and <a href="#menu_mount">Mount Points</a>.'
     },
 
     'vernemq': {
@@ -938,7 +939,7 @@ netdataDashboard.submenu = {
 
     'filesystem.vfs': {
         title: 'vfs (eBPF)',
-        info: 'Monitor calls to functions used to manipulate <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">File Systems</a>. When integration with apps is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, Netdata also shows Virtual File System per <a href="#menu_apps_submenu_vfs">application</a>.'
+        info: 'Number of calls to Virtual File System <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">functions</a> used to manipulate <a href="#menu_filesystem">File Systems</a>.'
     },
 
     'apps.vfs': {
@@ -948,32 +949,31 @@ netdataDashboard.submenu = {
 
     'filesystem.ext4_latency': {
         title: 'ext4 latency (eBPF)',
-        info: 'Latency is the time it takes for an event to be completed. We calculate the difference between the calling and return times, this spans disk I/O, file system operations (lock, I/O), run queue latency and all events related to the monitored action. Based on the eBPF <a href="http://www.brendangregg.com/blog/2016-10-06/linux-bcc-ext4dist-ext4slower.html" target="_blank">ext4dist</a> from BCC tools.'
+        info: '<a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#filesystem" target="_blank">Latency</a> is the time it takes for an event to be completed. Based on the <a href="http://www.brendangregg.com/blog/2016-10-06/linux-bcc-ext4dist-ext4slower.html" target="_blank">eBPF ext4dist</a> from BCC tools. This chart is provided by the <a href="#menu_netdata_submenu_ebpf">eBPF plugin</a> to monitor <a href="#menu_filesystem">File systems</a>.'
     },
 
     'filesystem.xfs_latency': {
         title: 'xfs latency (eBPF)',
-        info: 'Latency is the time it takes for an event to be completed. We calculate the difference between the calling and return times, this spans disk I/O, file system operations (lock, I/O), run queue latency and all events related to the monitored action. Based on the eBPF <a href="https://github.com/iovisor/bcc/blob/master/tools/xfsdist_example.txt" target="_blank">xfsdist</a> from BCC tools.'
+        info: '<a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#filesystem" target="_blank">Latency</a> is the time it takes for an event to be completed. Based on the <a href="https://github.com/iovisor/bcc/blob/master/tools/xfsdist_example.txt" target="_blank">xfsdist</a> from BCC tools. This chart is provided by the <a href="#menu_netdata_submenu_ebpf">eBPF plugin</a> to monitor <a href="#menu_filesystem">File systems</a>.'
     },
 
     'filesystem.nfs_latency': {
         title: 'nfs latency (eBPF)',
-        info: 'Latency is the time it takes for an event to be completed. We calculate the difference between the calling and return times, this spans disk I/O, file system operations (lock, I/O), run queue latency and all events related to the monitored action. Based on the eBPF <a href="https://github.com/iovisor/bcc/blob/master/tools/nfsdist_example.txt" target="_blank">nfsdist</a> from BCC tools.'
+        info: '<a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#filesystem" target="_blank">Latency</a> is the time it takes for an event to be completed. Based on the <a href="https://github.com/iovisor/bcc/blob/master/tools/nfsdist_example.txt" target="_blank">nfsdist</a> from BCC tools. This chart is provided by the <a href="#menu_netdata_submenu_ebpf">eBPF plugin</a> to monitor <a href="#menu_filesystem">File systems</a>.'
     },
 
     'filesystem.zfs_latency': {
         title: 'zfs latency (eBPF)',
-        info: 'Latency is the time it takes for an event to be completed. We calculate the difference between the calling and return times, this spans disk I/O, file system operations (lock, I/O), run queue latency and all events related to the monitored action. Based on the eBPF <a href="https://github.com/iovisor/bcc/blob/master/tools/zfsdist_example.txt" target="_blank">zfsdist</a> from BCC tools.'
+        info: '<a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#filesystem" target="_blank">Latency</a> is the time it takes for an event to be completed. Based on the <a href="https://github.com/iovisor/bcc/blob/master/tools/zfsdist_example.txt" target="_blank">zfsdist</a> from BCC tools. This chart is provided by the <a href="#menu_netdata_submenu_ebpf">eBPF plugin</a> to monitor <a href="#menu_filesystem">File systems</a>.'
     },
 
     'filesystem.btrfs_latency': {
         title: 'btrfs latency (eBPF)',
-        info: 'Latency is the time it takes for an event to be completed. We calculate the difference between the calling and return times, we get the logarithmic for the final result and we sum one value to the respective bin. Based on the eBPF <a href="https://github.com/iovisor/bcc/blob/master/tools/btrfsdist_example.txt" target="_blank">btrfsdist</a> from BCC tools.'
+        info: '<a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#filesystem" target="_blank">Latency</a> is the time it takes for an event to be completed. Based on the <a href="https://github.com/iovisor/bcc/blob/master/tools/btrfsdist_example.txt" target="_blank">btrfsdist</a> from BCC tools. This chart is provided by the <a href="#menu_netdata_submenu_ebpf">eBPF plugin</a> to monitor <a href="#menu_filesystem">File systems</a>.'
     },
 
     'filesystem.file_access': {
         title: 'file access (eBPF)',
-        info: 'When integration with apps is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, Netdata also shows file access per <a href="#menu_apps_submenu_file_access">application</a>.'
     },
 
     'apps.file_access': {
@@ -1062,6 +1062,13 @@ netdataDashboard.submenu = {
     'services.page_cache': {
         title: 'pache cache (eBPF)',
     },
+
+    'netdata.ebpf': {
+        title: 'eBPF.plugin',
+        info: 'eBPF (extended Berkeley Packet Filter) is used to collect metrics from inside Linux kernel giving a zoom inside your <a href="#ebpf_system_process_thread">Process</a>, '+
+              '<a href="#menu_disk">Hard Disk</a>, <a href="#menu_filesystem">Filesystems</a> (<a href="#menu_filesystem_submenu_file_access">File Access</a>, and ' +
+              '<a href="#menu_filesystem_submenu_directory_cache__eBPF_">Directory Cache</a>).'
+    },
 };
 
 // ----------------------------------------------------------------------------
@@ -1135,6 +1142,94 @@ const netSpeedInfo = 'The interface\'s latest or current speed that the network
 const netMTUInfo = 'The interface\'s currently configured ' +
     '<a href="https://en.wikipedia.org/wiki/Maximum_transmission_unit" target="_blank">Maximum transmission unit</a> (MTU) value. ' +
     'MTU is the size of the largest protocol data unit that can be communicated in a single network layer transaction.'
+// eBPF constants
+const ebpfChartProvides = ' This chart is provided by the <a href="#menu_netdata_submenu_ebpf">eBPF plugin</a>.'
+const ebpfProcessCreate = 'Number of times <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#processes" target="_blank">a function</a> ' +
+    'that starts a process is called. Netdata gives a summary for this chart in <a href="#ebpf_system_process_thread">Process</a>, and when the integration ' +
+    'is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, Netdata shows process per ' +
+    '<a href="#ebpf_apps_process_create">application</a>.' + ebpfChartProvides
+const ebpfThreadCreate = 'Number of times <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#processes" target="_blank">a function</a> ' +
+    'that starts a thread is called. Netdata gives a summary for this chart in <a href="#ebpf_system_process_thread">Process</a>, and when the integration ' +
+    'is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, Netdata shows process per ' +
+    '<a href="#ebpf_apps_thread_create">application</a>.' + ebpfChartProvides
+const ebpfTaskExit = 'Number of times <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#processes" target="_blank">a function</a> ' +
+    'that responsible for closing tasks is called. Netdata gives a summary for this chart in <a href="#ebpf_system_process_exit">Process</a>, and when the integration ' +
+    'is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, Netdata shows process per ' +
+    '<a href="#ebpf_apps_process_exit">application</a>.' + ebpfChartProvides
+const ebpfTaskClose = 'Number of times <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#processes" target="_blank">a function</a> ' +
+    'that responsible for releasing tasks is called. Netdata gives a summary for this chart in <a href="#ebpf_system_process_exit">Process</a>, and when the integration ' +
+    'is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, Netdata shows process per ' +
+    '<a href="#ebpf_apps_task_release">application</a>.' + ebpfChartProvides
+const ebpfTaskError = 'Number of errors to create a new <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#task-error" target="_blank">task</a>. Netdata gives a ' +
+    'summary for this chart in <a href="#ebpf_system_task_error">Process</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows process per <a href="#ebpf_apps_task_error">application</a>.' + ebpfChartProvides
+const ebpfFileOpen = 'Number of calls for internal functions on the Linux kernel responsible <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#file-descriptor" target="_blank">to open files</a>. ' +
+    'Netdata gives a summary for this chart in <a href="#menu_filesystem_submenu_file_access">file access</a>, and when the integration is ' +
+    '<a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_file_open">application</a>.' + ebpfChartProvides
+const ebpfFileOpenError = 'Number of failed calls for internal functions on the Linux kernel responsible <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#file-descriptor" target="_blank">to open files</a>. ' +
+    'Netdata gives a summary for this chart in <a href="#menu_filesystem_submenu_file_error">file access</a>, and when the integration is ' +
+    '<a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_file_open_error">application</a>.' + ebpfChartProvides
+const ebpfFileClosed = 'Number of calls for internal functions on the Linux kernel responsible <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#file-descriptor" target="_blank">to close files</a>. ' +
+    'Netdata gives a summary for this chart in <a href="#menu_filesystem_submenu_file_access">file access</a>, and when the integration is ' +
+    '<a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_file_closed">application</a>.' + ebpfChartProvides
+const ebpfFileCloseError = 'Number of failed calls for internal functions on the Linux kernel responsible <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#file-descriptor" target="_blank">to close files</a>. ' +
+    'Netdata gives a summary for this chart in <a href="#menu_filesystem_submenu_file_error">file access</a>, and when the integration is ' +
+    '<a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_file_close_error">application</a>.' + ebpfChartProvides
+const ebpfDCHit = 'Percentage of file accesses that were present in the <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#directory-cache" target="_blank">directory cache</a>. ' +
+    'Netdata gives a summary for this chart in <a href="#ebpf_dc_hit_ratio">directory cache</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows directory cache per <a href="#ebpf_apps_dc_hit">application</a>.' + ebpfChartProvides
+const ebpfDCReference = 'Number of times a file is accessed inside <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#directory-cache" target="_blank">directory cache</a>. ' +
+    'Netdata gives a summary for this chart in <a href="#ebpf_dc_reference">directory cache</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows directory cache per <a href="#ebpf_apps_dc_reference">application</a>.' + ebpfChartProvides
+const ebpfDCNotCache = 'Number of times a file is accessed in the file system, because it is not present inside the <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#directory-cache" target="_blank">directory cache</a>. ' +
+    'Netdata gives a summary for this chart in <a href="#ebpf_dc_reference">directory cache</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows directory cache per <a href="#ebpf_apps_dc_not_cache">application</a>.' + ebpfChartProvides
+const ebpfDCNotFound = 'Number of times a file was not found on the file system. Netdata gives a summary for this chart in <a href="#ebpf_dc_reference">directory cache</a>, ' +
+    'and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows directory cache per <a href="#ebpf_apps_dc_not_found">application</a>.' + ebpfChartProvides
+const ebpfVFSWrite = 'Number of successful calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS writer function</a>. Netdata gives a summary for this chart in ' +
+    '<a href="#ebpf_global_vfs_io">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_write">application</a>.' + ebpfChartProvides
+const ebpfVFSRead = 'Number of successful calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS reader function</a>. Netdata gives a summary for this chart in ' +
+    '<a href="#ebpf_global_vfs_io">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_read">application</a>.' + ebpfChartProvides
+const ebpfVFSWriteError = 'Number of failed calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS writer function</a>. Netdata gives a summary for this chart in ' +
+    '<a href="#ebpf_global_vfs_io_error">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_write_error">application</a>.' + ebpfChartProvides
+const ebpfVFSReadError = 'Number of failed calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS reader function</a>. Netdata gives a summary for this chart in ' +
+    '<a href="#ebpf_global_vfs_io_error">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_read_error">application</a>.' + ebpfChartProvides
+const ebpfVFSWriteBytes = 'Total of bytes successfully written using the <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS writer function</a>. Netdata gives a summary for this chart in ' +
+    '<a href="#ebpf_global_vfs_io_bytes">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_write_bytes">application</a>.' + ebpfChartProvides
+const ebpfVFSReadBytes = 'Total of bytes successfully read using the <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS reader function</a>. Netdata gives a summary for this chart in ' +
+    '<a href="#ebpf_global_vfs_io_bytes">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_read_bytes">application</a>.' + ebpfChartProvides
+const ebpfVFSUnlink = 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS unlinker function</a>. Netdata gives a summary for this chart in ' +
+    '<a href="#ebpf_global_vfs_unlink">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_unlink">application</a>.' + ebpfChartProvides
+const ebpfVFSSync = 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS syncer function</a>. Netdata gives a summary for this chart in ' +
+    '<a href="#ebpf_global_vfs_sync">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_sync">application</a>.' + ebpfChartProvides
+const ebpfVFSSyncError = 'Number of failed calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS syncer function</a>. Netdata gives a summary for this chart in ' +
+    '<a href="#ebpf_global_vfs_sync_error">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_sync_error">application</a>.' + ebpfChartProvides
+const ebpfVFSOpen = 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS opener function</a>. Netdata gives a summary for this chart in ' +
+    '<a href="#ebpf_global_vfs_open">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_open">application</a>.' + ebpfChartProvides
+const ebpfVFSOpenError = 'Number of failed calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS opener function</a>. Netdata gives a summary for this chart in ' +
+    '<a href="#ebpf_global_vfs_open_error">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_open_error">application</a>.' + ebpfChartProvides
+const ebpfVFSCreate = 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS creator function</a>. Netdata gives a summary for this chart in ' +
+    '<a href="#ebpf_global_vfs_create">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_create">application</a>.' + ebpfChartProvides
+const ebpfVFSCreateError = 'Number of failed calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS creator function</a>. Netdata gives a summary for this chart in ' +
+    '<a href="#ebpf_global_vfs_create_error">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
+    'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_create_error">application</a>.' + ebpfChartProvides
 
 netdataDashboard.context = {
     'system.cpu': {
@@ -1373,22 +1468,22 @@ netdataDashboard.context = {
 
     'system.process_thread': {
         title : 'Task creation',
-        info: 'Number of times that either <a href="https://www.ece.uic.edu/~yshi1/linux/lkse/node4.html#SECTION00421000000000000000" target="_blank">do_fork</a>, or <code>kernel_clone</code> if you are running kernel newer than 5.9.16, is called to create a new task, which is the common name used to define process and tasks inside the kernel. Netdata identifies the threads monitoring tracepoint <code>sched_process_fork</code>. This chart is provided by eBPF plugin.'
+        info: 'Number of times <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#processes" target="_blank">a function</a> that starts a process or thread is called. Netdata shows process metrics per <a href="#ebpf_apps_process_create">application</a> and <a href="#ebpf_services_process_create">cgroup (systemd Services)</a> if <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">apps</a> or <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">cgroup (systemd Services)</a> plugins are enabled.' + ebpfChartProvides + '<div id="ebpf_system_process_thread"></div>'
     },
 
     'system.exit': {
         title : 'Exit monitoring',
-        info: 'Calls for the functions responsible for closing (<a href="https://www.informit.com/articles/article.aspx?p=370047&seqNum=4" target="_blank">do_exit</a>) and releasing (<a href="https://www.informit.com/articles/article.aspx?p=370047&seqNum=4" target="_blank">release_task</a>) tasks. This chart is provided by eBPF plugin.'
+        info: 'Number of times <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#process-exit target="_blank"">a function</a> responsible to close a process or thread is called. Netdata shows process metrics per <a href="#ebpf_apps_process_exit">application</a> and <a href="#ebpf_services_process_exit">cgroup (systemd Services)</a> if <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">apps</a> or <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">cgroup (systemd Services)</a> plugins are enabled.' + ebpfChartProvides + '<div id="ebpf_system_process_exit"></div>'
     },
 
     'system.task_error': {
         title : 'Task error',
-        info: 'Number of errors to create a new process or thread. This chart is provided by eBPF plugin.'
+        info: 'Number of times <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#task-error" target="_blank">a function</a> that starts a process or thread failed. Netdata shows process metrics per <a href="#ebpf_apps_task_error">application</a> and <a href="#ebpf_services_task_error">cgroup (systemd Services)</a> if <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">apps</a> or <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">cgroup (systemd Services)</a> plugins are enabled.' + ebpfChartProvides + '<div id="ebpf_system_task_error"></div>'
     },
 
     'system.process_status': {
         title : 'Task status',
-        info: 'Difference between the number of process created and the number of threads created per period(<code>process</code> dimension), it also shows the number of possible zombie process running on system. This chart is provided by eBPF plugin.'
+        info: 'Difference between the number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#process-exit" target="_blank">functions</a> that close a task and release a task.'+ ebpfChartProvides
     },
 
     // ------------------------------------------------------------------------
@@ -1626,11 +1721,11 @@ netdataDashboard.context = {
     },
 
     'filesystem.dc_hit_ratio': {
-        info: 'Percentage of file accesses that were present in the directory cache. 100% means that every file that was accessed was present in the directory cache. If files are not present in the directory cache 1) they are not present in the file system, 2) the files were not accessed before. Read more about <a href="https://www.kernel.org/doc/htmldocs/filesystems/the_directory_cache.html" target="_blank">directory cache</a>. When integration with apps is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, Netdata also shows directory cache per <a href="#menu_apps_submenu_directory_cache__eBPF_">application</a>.'
+        info: 'Percentage of file accesses that were present in the <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#directory-cache" target="_blank">directory cache</a>. Netdata shows directory cache metrics per <a href="#ebpf_apps_dc_hit">application</a> and <a href="#ebpf_services_dc_hit">cgroup (systemd Services)</a> if <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">apps</a> or <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">cgroup (systemd Services)</a> plugins are enabled.' + ebpfChartProvides + '<div id="ebpf_dc_hit_ratio"></div>'
     },
 
     'filesystem.dc_reference': {
-        info: 'Counters of file accesses. <code>Reference</code> is when there is a file access and the file is not present in the directory cache. <code>Miss</code> is when there is file access and the file is not found in the filesystem. <code>Slow</code> is when there is a file access and the file is present in the filesystem but not in the directory cache. Read more about <a href="https://www.kernel.org/doc/htmldocs/filesystems/the_directory_cache.html" target="_blank">directory cache</a>.'
+        info: 'Counters of file accesses. <code>Reference</code> is when there is a file access and the file is not present in the directory cache. <code>Miss</code> is when there is file access and the file is not found in the filesystem. <code>Slow</code> is when there is a file access and the file is present in the filesystem but not in the directory cache. Netdata shows directory cache metrics per <a href="#ebpf_apps_dc_reference">application</a> and <a href="#ebpf_services_dc_reference">cgroup (systemd Services)</a> if <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">apps</a> or <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">cgroup (systemd Services)</a> plugins are enabled.' + ebpfChartProvides + '<div id="ebpf_dc_reference"></div>'
     },
 
     'md.health': {
@@ -2580,70 +2675,125 @@ netdataDashboard.context = {
    // Apps eBPF stuff
 
     'apps.file_open': {
-        info: 'Calls to the internal function <code>do_sys_open</code> (for kernels newer than <code>5.5.19</code> we add a kprobe to <code>do_sys_openat2</code>. ), which is the common function called from' +
-            ' <a href="https://www.man7.org/linux/man-pages/man2/open.2.html" target="_blank">open(2)</a> ' +
-            ' and <a href="https://www.man7.org/linux/man-pages/man2/openat.2.html" target="_blank">openat(2)</a>. '
+        info: 'Number of calls for internal functions on the Linux kernel responsible <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#file-descriptor" target="_blank">to open files</a>. ' +
+              'Netdata gives a summary for this chart in <a href="#menu_filesystem_submenu_file_access">file access</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+              'Netdata shows virtual file system per <a href="#ebpf_services_file_open">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_file_open"></div>'
     },
 
     'apps.file_open_error': {
-        info: 'Failed calls to the internal function <code>do_sys_open</code> (for kernels newer than <code>5.5.19</code> we add a kprobe to <code>do_sys_openat2</code>. ).'
+        info: 'Number of failed calls for internal functions on the Linux kernel responsible <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#file-descriptor" target="_blank">to open files</a>. ' +
+              'Netdata gives a summary for this chart in <a href="#menu_filesystem_submenu_file_access">file access</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+              'Netdata shows virtual file system per <a href="#ebpf_services_file_open_error">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_file_open_error"></div>'
     },
 
     'apps.file_closed': {
-        info: 'Calls to the internal function <a href="https://elixir.bootlin.com/linux/v5.10/source/fs/file.c#L665" target="_blank">__close_fd</a> or <a href="https://elixir.bootlin.com/linux/v5.11/source/fs/file.c#L617" target="_blank">close_fd</a> according to your kernel version, which is called from' +
-            ' <a href="https://www.man7.org/linux/man-pages/man2/close.2.html" target="_blank">close(2)</a>. '
+        info: 'Number of calls for internal functions on the Linux kernel responsible <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#file-descriptor" target="_blank">to close files</a>. ' +
+              'Netdata gives a summary for this chart in <a href="#menu_filesystem_submenu_file_access">file access</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+              'Netdata shows virtual file system per <a href="#ebpf_services_file_closed">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_file_closed"></div>'
     },
 
     'apps.file_close_error': {
-        info: 'Failed calls to the internal function <a href="https://elixir.bootlin.com/linux/v5.10/source/fs/file.c#L665" target="_blank">__close_fd</a> or <a href="https://elixir.bootlin.com/linux/v5.11/source/fs/file.c#L617" target="_blank">close_fd</a> according to your kernel version.'
+        info: 'Number of failed calls for internal functions on the Linux kernel responsible <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#file-descriptor" target="_blank">to close files</a>. ' +
+            'Netdata gives a summary for this chart in <a href="#menu_filesystem_submenu_file_access">file access</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+            'Netdata shows virtual file system per <a href="#ebpf_services_file_close_error">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_file_close_error"></div>'
     },
 
     'apps.file_deleted': {
-        info: 'Calls to the function <a href="https://www.kernel.org/doc/htmldocs/filesystems/API-vfs-unlink.html" target="_blank">vfs_unlink</a>. This chart does not show all events that remove files from the filesystem, because filesystems can create their own functions to remove files.'
+        info: 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS unlinker function</a>. Netdata gives a summary for this chart in ' +
+            '<a href="#ebpf_global_vfs_unlink">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+            'Netdata shows virtual file system per <a href="#ebpf_services_vfs_unlink">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_vfs_unlink"></div>'
     },
 
     'apps.vfs_write_call': {
-        info: 'Successful calls to the function <a href="https://topic.alibabacloud.com/a/kernel-state-file-operation-__-work-information-kernel_8_8_20287135.html" target="_blank">vfs_write</a>. This chart may not show all filesystem events if it uses other functions to store data on disk.'
+        info: 'Number of successful calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS writer function</a>. Netdata gives a summary for this chart in ' +
+              '<a href="#ebpf_global_vfs_io">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+              'Netdata shows virtual file system per <a href="#ebpf_services_vfs_write">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_vfs_write"></div>'
     },
 
     'apps.vfs_write_error': {
-        info: 'Failed calls to the function <a href="https://topic.alibabacloud.com/a/kernel-state-file-operation-__-work-information-kernel_8_8_20287135.html" target="_blank">vfs_write</a>. This chart may not show all filesystem events if it uses other functions to store data on disk.'
+        info: 'Number of failed calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS writer function</a>. Netdata gives a summary for this chart in ' +
+            '<a href="#ebpf_global_vfs_io_error">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+            'Netdata shows virtual file system per <a href="#ebpf_services_vfs_write_error">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_vfs_write_error"></div>'
     },
 
     'apps.vfs_read_call': {
-        info: 'Successful calls to the function <a href="https://topic.alibabacloud.com/a/kernel-state-file-operation-__-work-information-kernel_8_8_20287135.html" target="_blank">vfs_read</a>. This chart may not show all filesystem events if it uses other functions to store data on disk.'
+        info: 'Number of successful calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS reader function</a>. Netdata gives a summary for this chart in ' +
+              '<a href="#ebpf_global_vfs_io">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+              'Netdata shows virtual file system per <a href="#ebpf_services_vfs_read">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_vfs_read"></div>'
     },
 
     'apps.vfs_read_error': {
-        info: 'Failed calls to the function <a href="https://topic.alibabacloud.com/a/kernel-state-file-operation-__-work-information-kernel_8_8_20287135.html" target="_blank">vfs_read</a>. This chart may not show all filesystem events if it uses other functions to store data on disk.'
+        info: 'Number of failed calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS reader function</a>. Netdata gives a summary for this chart in ' +
+            '<a href="#ebpf_global_vfs_io_error">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+            'Netdata shows virtual file system per <a href="#ebpf_services_vfs_read_error">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_vfs_read_error"></div>'
     },
 
     'apps.vfs_write_bytes': {
-        info: 'Total of bytes successfully written using the function <a href="https://topic.alibabacloud.com/a/kernel-state-file-operation-__-work-information-kernel_8_8_20287135.html" target="_blank">vfs_write</a>.'
+        info: 'Total of bytes successfully written using the <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS writer function</a>. Netdata gives a summary for this chart in ' +
+            '<a href="#ebpf_global_vfs_io_bytes">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+            'Netdata shows virtual file system per <a href="#ebpf_services_vfs_write_bytes">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_vfs_write_bytes"></div>'
     },
 
     'apps.vfs_read_bytes': {
-        info: 'Total of bytes successfully read using the function <a href="https://topic.alibabacloud.com/a/kernel-state-file-operation-__-work-information-kernel_8_8_20287135.html" target="_blank">vfs_read</a>.'
+        info: 'Total of bytes successfully written using the <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS reader function</a>. Netdata gives a summary for this chart in ' +
+            '<a href="#ebpf_global_vfs_io_bytes">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+            'Netdata shows virtual file system per <a href="#ebpf_services_vfs_read_bytes">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_vfs_read_bytes"></div>'
+    },
+
+    'apps.vfs_fsync': {
+        info: 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS syncer function</a>. Netdata gives a summary for this chart in ' +
+            '<a href="#ebpf_global_vfs_sync">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+            'Netdata shows virtual file system per <a href="#ebpf_services_vfs_sync">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_vfs_sync"></div>'
+    },
+
+    'apps.vfs_fsync_error': {
+        info: 'Number of failed calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS syncer function</a>. Netdata gives a summary for this chart in ' +
+            '<a href="#ebpf_global_vfs_sync_error">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+            'Netdata shows virtual file system per <a href="#ebpf_services_vfs_sync_error">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_vfs_sync_error"></div>'
+    },
+
+    'apps.vfs_open': {
+        info: 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS opener function</a>. Netdata gives a summary for this chart in ' +
+            '<a href="#ebpf_global_vfs_open">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+            'Netdata shows virtual file system per <a href="#ebpf_services_vfs_open">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_vfs_open"></div>'
+    },
+
+    'apps.vfs_open_error': {
+        info: 'Number of failed calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS opener function</a>. Netdata gives a summary for this chart in ' +
+            '<a href="#ebpf_global_vfs_open_error">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+            'Netdata shows virtual file system per <a href="#ebpf_services_vfs_open_error">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_vfs_open_error"></div>'
+    },
+
+    'apps.vfs_create': {
+        info: 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS creator function</a>. Netdata gives a summary for this chart in ' +
+            '<a href="#ebpf_global_vfs_create">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+            'Netdata shows virtual file system per <a href="#ebpf_services_vfs_create">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_vfs_create"></div>'
+    },
+
+    'apps.vfs_create_error': {
+        info: 'Number of failed calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS creator function</a>. Netdata gives a summary for this chart in ' +
+            '<a href="#ebpf_global_vfs_create_error">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, ' +
+            'Netdata shows virtual file system per <a href="#ebpf_services_vfs_create_error">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_vfs_create_error"></div>'
     },
 
     'apps.process_create': {
-        info: 'Calls to either <a href="https://programming.vip/docs/the-execution-procedure-of-do_fork-function-in-linux.html" target="_blank">do_fork</a>, or <code>kernel_clone</code> if you are running kernel newer than 5.9.16, to create a new task, which is the common name used to define process and tasks inside the kernel. This chart is provided by eBPF plugin.'
+        info: 'Number of times <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#processes" target="_blank">a function</a> that starts a process is ca