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#include "builtin.h"
#include "perf.h"
#include <subcmd/parse-options.h>
#include "util/trace-event.h"
#include "util/tool.h"
#include "util/session.h"
#include "util/data.h"
#include "util/mem-events.h"
#include "util/debug.h"
#define MEM_OPERATION_LOAD 0x1
#define MEM_OPERATION_STORE 0x2
struct perf_mem {
struct perf_tool tool;
char const *input_name;
bool hide_unresolved;
bool dump_raw;
bool force;
int operation;
const char *cpu_list;
DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
};
static int parse_record_events(const struct option *opt,
const char *str, int unset __maybe_unused)
{
struct perf_mem *mem = *(struct perf_mem **)opt->value;
int j;
if (strcmp(str, "list")) {
if (!perf_mem_events__parse(str)) {
mem->operation = 0;
return 0;
}
exit(-1);
}
for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
struct perf_mem_event *e = &perf_mem_events[j];
fprintf(stderr, "%-13s%-*s%s\n",
e->tag,
verbose ? 25 : 0,
verbose ? perf_mem_events__name(j) : "",
e->supported ? ": available" : "");
}
exit(0);
}
static const char * const __usage[] = {
"perf mem record [<options>] [<command>]",
"perf mem record [<options>] -- <command> [<options>]",
NULL
};
static const char * const *record_mem_usage = __usage;
static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
{
int rec_argc, i = 0, j;
const char **rec_argv;
int ret;
bool all_user = false, all_kernel = false;
struct option options[] = {
OPT_CALLBACK('e', "event", &mem, "event",
"event selector. use 'perf mem record -e list' to list available events",
parse_record_events),
OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
OPT_BOOLEAN('U', "--all-user", &all_user, "collect only user level data"),
OPT_BOOLEAN('K', "--all-kernel", &all_kernel, "collect only kernel level data"),
OPT_END()
};
argc = parse_options(argc, argv, options, record_mem_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
rec_argc = argc + 9; /* max number of arguments */
rec_argv = calloc(rec_argc + 1, sizeof(char *));
if (!rec_argv)
return -1;
rec_argv[i++] = "record";
if (mem->operation & MEM_OPERATION_LOAD)
perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
if (mem->operation & MEM_OPERATION_STORE)
perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
rec_argv[i++] = "-W";
rec_argv[i++] = "-d";
for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
if (!perf_mem_events[j].record)
continue;
if (!perf_mem_events[j].supported) {
pr_err("failed: event '%s' not supported\n",
perf_mem_events__name(j));
return -1;
}
rec_argv[i++] = "-e";
rec_argv[i++] = perf_mem_events__name(j);
};
if (all_user)
rec_argv[i++] = "--all-user";
if (all_kernel)
rec_argv[i++] = "--all-kernel";
for (j = 0; j < argc; j++, i++)
rec_argv[i] = argv[j];
if (verbose > 0) {
pr_debug("calling: record ");
while (rec_argv[j]) {
pr_debug("%s ", rec_argv[j]);
j++;
}
pr_debug("\n");
}
ret = cmd_record(i, rec_argv, NULL);
free(rec_argv);
return ret;
}
static int
dump_raw_samples(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
struct addr_location al;
const char *fmt;
if (machine__resolve(machine, &al, sample) < 0) {
fprintf(stderr, "problem processing %d event, skipping it.\n",
event->header.type);
return -1;
}
if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
goto out_put;
if (al.map != NULL)
al.map->dso->hit = 1;
if (symbol_conf.field_sep) {
fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
"%s0x%"PRIx64"%s%s:%s\n";
} else {
fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
"%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
symbol_conf.field_sep = " ";
}
printf(fmt,
sample->pid,
symbol_conf.field_sep,
sample->tid,
symbol_conf.field_sep,
sample->ip,
symbol_conf.field_sep,
sample->addr,
symbol_conf.field_sep,
sample->weight,
symbol_conf.field_sep,
sample->data_src,
symbol_conf.field_sep,
al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
al.sym ? al.sym->name : "???");
out_put:
addr_location__put(&al);
return 0;
}
static int process_sample_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel __maybe_unused,
struct machine *machine)
{
return dump_raw_samples(tool, event, sample, machine);
}
static int report_raw_events(struct perf_mem *mem)
{
struct perf_data_file file = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
.force = mem->force,
};
int ret;
struct perf_session *session = perf_session__new(&file, false,
&mem->tool);
if (session == NULL)
return -1;
if (mem->cpu_list) {
ret = perf_session__cpu_bitmap(session, mem->cpu_list,
mem->cpu_bitmap);
if (ret < 0)
goto out_delete;
}
ret = symbol__init(&session->header.env);
if (ret < 0)
goto out_delete;
printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
ret = perf_session__process_events(session);
out_delete:
perf_session__delete(session);
return ret;
}
static int report_events(int argc, const char **argv, struct perf_mem *mem)
{
const char **rep_argv;
int ret, i = 0, j, rep_argc;
if (mem->dump_raw)
return report_raw_events(mem);
rep_argc
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