#include "util/symbol.h"
#include "util/thread.h"
#include "util/header.h"
+#include "util/session.h"
#include "util/parse-options.h"
#include "util/trace-event.h"
#include "util/debug.h"
-#include "util/data_map.h"
-#include <sys/types.h>
#include <sys/prctl.h>
#include <semaphore.h>
static char const *input_name = "perf.data";
-static unsigned long total_comm = 0;
-
-static struct perf_header *header;
-static u64 sample_type;
-
static char default_sort_order[] = "avg, max, switch, runtime";
-static char *sort_order = default_sort_order;
+static const char *sort_order = default_sort_order;
static int profile_cpu = -1;
-static char *cwd;
-static int cwdlen;
-
#define PR_SET_NAME 15 /* Set process name */
#define MAX_CPUS 4096
struct sched_atom {
enum sched_event_type type;
+ int specific_wait;
u64 timestamp;
u64 duration;
unsigned long nr;
- int specific_wait;
sem_t *wait_sem;
struct task_desc *wakee;
};
static u64 sum_fluct;
static u64 run_avg;
-static unsigned long replay_repeat = 10;
+static unsigned int replay_repeat = 10;
static unsigned long nr_timestamps;
static unsigned long nr_unordered_timestamps;
static unsigned long nr_state_machine_bugs;
struct thread *thread;
struct rb_node node;
u64 max_lat;
+ u64 max_lat_at;
u64 total_lat;
u64 nb_atoms;
u64 total_runtime;
static struct sched_atom *
get_new_event(struct task_desc *task, u64 timestamp)
{
- struct sched_atom *event = calloc(1, sizeof(*event));
+ struct sched_atom *event = zalloc(sizeof(*event));
unsigned long idx = task->nr_events;
size_t size;
return;
}
- wakee_event->wait_sem = calloc(1, sizeof(*wakee_event->wait_sem));
+ wakee_event->wait_sem = zalloc(sizeof(*wakee_event->wait_sem));
sem_init(wakee_event->wait_sem, 0, 0);
wakee_event->specific_wait = 1;
event->wait_sem = wakee_event->wait_sem;
if (task)
return task;
- task = calloc(1, sizeof(*task));
+ task = zalloc(sizeof(*task));
task->pid = pid;
task->nr = nr_tasks;
strcpy(task->comm, comm);
return sum;
}
-static u64 get_cpu_usage_nsec_self(void)
+static int self_open_counters(void)
{
- char filename [] = "/proc/1234567890/sched";
- unsigned long msecs, nsecs;
- char *line = NULL;
- u64 total = 0;
- size_t len = 0;
- ssize_t chars;
- FILE *file;
- int ret;
+ struct perf_event_attr attr;
+ int fd;
- sprintf(filename, "/proc/%d/sched", getpid());
- file = fopen(filename, "r");
- BUG_ON(!file);
+ memset(&attr, 0, sizeof(attr));
- while ((chars = getline(&line, &len, file)) != -1) {
- ret = sscanf(line, "se.sum_exec_runtime : %ld.%06ld\n",
- &msecs, &nsecs);
- if (ret == 2) {
- total = msecs*1e6 + nsecs;
- break;
- }
- }
- if (line)
- free(line);
- fclose(file);
+ attr.type = PERF_TYPE_SOFTWARE;
+ attr.config = PERF_COUNT_SW_TASK_CLOCK;
- return total;
+ fd = sys_perf_event_open(&attr, 0, -1, -1, 0);
+
+ if (fd < 0)
+ die("Error: sys_perf_event_open() syscall returned"
+ "with %d (%s)\n", fd, strerror(errno));
+ return fd;
+}
+
+static u64 get_cpu_usage_nsec_self(int fd)
+{
+ u64 runtime;
+ int ret;
+
+ ret = read(fd, &runtime, sizeof(runtime));
+ BUG_ON(ret != sizeof(runtime));
+
+ return runtime;
}
static void *thread_func(void *ctx)
u64 cpu_usage_0, cpu_usage_1;
unsigned long i, ret;
char comm2[22];
+ int fd;
sprintf(comm2, ":%s", this_task->comm);
prctl(PR_SET_NAME, comm2);
+ fd = self_open_counters();
again:
ret = sem_post(&this_task->ready_for_work);
ret = pthread_mutex_unlock(&start_work_mutex);
BUG_ON(ret);
- cpu_usage_0 = get_cpu_usage_nsec_self();
+ cpu_usage_0 = get_cpu_usage_nsec_self(fd);
for (i = 0; i < this_task->nr_events; i++) {
this_task->curr_event = i;
process_sched_event(this_task, this_task->atoms[i]);
}
- cpu_usage_1 = get_cpu_usage_nsec_self();
+ cpu_usage_1 = get_cpu_usage_nsec_self(fd);
this_task->cpu_usage = cpu_usage_1 - cpu_usage_0;
-
ret = sem_post(&this_task->work_done_sem);
BUG_ON(ret);
printf("the sleep test took %Ld nsecs\n", T1-T0);
}
-static int
-process_comm_event(event_t *event, unsigned long offset, unsigned long head)
-{
- struct thread *thread = threads__findnew(event->comm.tid);
-
- dump_printf("%p [%p]: perf_event_comm: %s:%d\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->comm.comm, event->comm.pid);
-
- if (thread == NULL ||
- thread__set_comm(thread, event->comm.comm)) {
- dump_printf("problem processing perf_event_comm, skipping event.\n");
- return -1;
- }
- total_comm++;
-
- return 0;
-}
-
-
-struct raw_event_sample {
- u32 size;
- char data[0];
-};
-
#define FILL_FIELD(ptr, field, event, data) \
ptr.field = (typeof(ptr.field)) raw_field_value(event, #field, data)
struct trace_sched_handler {
void (*switch_event)(struct trace_switch_event *,
+ struct perf_session *,
struct event *,
int cpu,
u64 timestamp,
struct thread *thread);
void (*runtime_event)(struct trace_runtime_event *,
+ struct perf_session *,
struct event *,
int cpu,
u64 timestamp,
struct thread *thread);
void (*wakeup_event)(struct trace_wakeup_event *,
+ struct perf_session *,
struct event *,
int cpu,
u64 timestamp,
struct thread *thread);
void (*migrate_task_event)(struct trace_migrate_task_event *,
+ struct perf_session *session,
struct event *,
int cpu,
u64 timestamp,
static void
replay_wakeup_event(struct trace_wakeup_event *wakeup_event,
+ struct perf_session *session __used,
struct event *event,
int cpu __used,
u64 timestamp __used,
static void
replay_switch_event(struct trace_switch_event *switch_event,
+ struct perf_session *session __used,
struct event *event,
int cpu,
u64 timestamp,
static void thread_atoms_insert(struct thread *thread)
{
- struct work_atoms *atoms;
-
- atoms = calloc(sizeof(*atoms), 1);
+ struct work_atoms *atoms = zalloc(sizeof(*atoms));
if (!atoms)
die("No memory");
char run_state,
u64 timestamp)
{
- struct work_atom *atom;
-
- atom = calloc(sizeof(*atom), 1);
+ struct work_atom *atom = zalloc(sizeof(*atom));
if (!atom)
die("Non memory");
delta = atom->sched_in_time - atom->wake_up_time;
atoms->total_lat += delta;
- if (delta > atoms->max_lat)
+ if (delta > atoms->max_lat) {
atoms->max_lat = delta;
+ atoms->max_lat_at = timestamp;
+ }
atoms->nb_atoms++;
}
static void
latency_switch_event(struct trace_switch_event *switch_event,
+ struct perf_session *session,
struct event *event __used,
int cpu,
u64 timestamp,
die("hm, delta: %Ld < 0 ?\n", delta);
- sched_out = threads__findnew(switch_event->prev_pid);
- sched_in = threads__findnew(switch_event->next_pid);
+ sched_out = perf_session__findnew(session, switch_event->prev_pid);
+ sched_in = perf_session__findnew(session, switch_event->next_pid);
out_events = thread_atoms_search(&atom_root, sched_out, &cmp_pid);
if (!out_events) {
static void
latency_runtime_event(struct trace_runtime_event *runtime_event,
+ struct perf_session *session,
struct event *event __used,
int cpu,
u64 timestamp,
struct thread *this_thread __used)
{
- struct thread *thread = threads__findnew(runtime_event->pid);
+ struct thread *thread = perf_session__findnew(session, runtime_event->pid);
struct work_atoms *atoms = thread_atoms_search(&atom_root, thread, &cmp_pid);
BUG_ON(cpu >= MAX_CPUS || cpu < 0);
static void
latency_wakeup_event(struct trace_wakeup_event *wakeup_event,
+ struct perf_session *session,
struct event *__event __used,
int cpu __used,
u64 timestamp,
if (!wakeup_event->success)
return;
- wakee = threads__findnew(wakeup_event->pid);
+ wakee = perf_session__findnew(session, wakeup_event->pid);
atoms = thread_atoms_search(&atom_root, wakee, &cmp_pid);
if (!atoms) {
thread_atoms_insert(wakee);
static void
latency_migrate_task_event(struct trace_migrate_task_event *migrate_task_event,
+ struct perf_session *session,
struct event *__event __used,
int cpu __used,
u64 timestamp,
if (profile_cpu == -1)
return;
- migrant = threads__findnew(migrate_task_event->pid);
+ migrant = perf_session__findnew(session, migrate_task_event->pid);
atoms = thread_atoms_search(&atom_root, migrant, &cmp_pid);
if (!atoms) {
thread_atoms_insert(migrant);
avg = work_list->total_lat / work_list->nb_atoms;
- printf("|%11.3f ms |%9llu | avg:%9.3f ms | max:%9.3f ms |\n",
+ printf("|%11.3f ms |%9llu | avg:%9.3f ms | max:%9.3f ms | max at: %9.6f s\n",
(double)work_list->total_runtime / 1e6,
work_list->nb_atoms, (double)avg / 1e6,
- (double)work_list->max_lat / 1e6);
+ (double)work_list->max_lat / 1e6,
+ (double)work_list->max_lat_at / 1e9);
}
static int pid_cmp(struct work_atoms *l, struct work_atoms *r)
static struct trace_sched_handler *trace_handler;
static void
-process_sched_wakeup_event(struct raw_event_sample *raw,
+process_sched_wakeup_event(void *data, struct perf_session *session,
struct event *event,
int cpu __used,
u64 timestamp __used,
{
struct trace_wakeup_event wakeup_event;
- FILL_COMMON_FIELDS(wakeup_event, event, raw->data);
+ FILL_COMMON_FIELDS(wakeup_event, event, data);
- FILL_ARRAY(wakeup_event, comm, event, raw->data);
- FILL_FIELD(wakeup_event, pid, event, raw->data);
- FILL_FIELD(wakeup_event, prio, event, raw->data);
- FILL_FIELD(wakeup_event, success, event, raw->data);
- FILL_FIELD(wakeup_event, cpu, event, raw->data);
+ FILL_ARRAY(wakeup_event, comm, event, data);
+ FILL_FIELD(wakeup_event, pid, event, data);
+ FILL_FIELD(wakeup_event, prio, event, data);
+ FILL_FIELD(wakeup_event, success, event, data);
+ FILL_FIELD(wakeup_event, cpu, event, data);
if (trace_handler->wakeup_event)
- trace_handler->wakeup_event(&wakeup_event, event, cpu, timestamp, thread);
+ trace_handler->wakeup_event(&wakeup_event, session, event,
+ cpu, timestamp, thread);
}
/*
static void
map_switch_event(struct trace_switch_event *switch_event,
+ struct perf_session *session,
struct event *event __used,
int this_cpu,
u64 timestamp,
die("hm, delta: %Ld < 0 ?\n", delta);
- sched_out = threads__findnew(switch_event->prev_pid);
- sched_in = threads__findnew(switch_event->next_pid);
+ sched_out = perf_session__findnew(session, switch_event->prev_pid);
+ sched_in = perf_session__findnew(session, switch_event->next_pid);
curr_thread[this_cpu] = sched_in;
static void
-process_sched_switch_event(struct raw_event_sample *raw,
+process_sched_switch_event(void *data, struct perf_session *session,
struct event *event,
int this_cpu,
u64 timestamp __used,
{
struct trace_switch_event switch_event;
- FILL_COMMON_FIELDS(switch_event, event, raw->data);
+ FILL_COMMON_FIELDS(switch_event, event, data);
- FILL_ARRAY(switch_event, prev_comm, event, raw->data);
- FILL_FIELD(switch_event, prev_pid, event, raw->data);
- FILL_FIELD(switch_event, prev_prio, event, raw->data);
- FILL_FIELD(switch_event, prev_state, event, raw->data);
- FILL_ARRAY(switch_event, next_comm, event, raw->data);
- FILL_FIELD(switch_event, next_pid, event, raw->data);
- FILL_FIELD(switch_event, next_prio, event, raw->data);
+ FILL_ARRAY(switch_event, prev_comm, event, data);
+ FILL_FIELD(switch_event, prev_pid, event, data);
+ FILL_FIELD(switch_event, prev_prio, event, data);
+ FILL_FIELD(switch_event, prev_state, event, data);
+ FILL_ARRAY(switch_event, next_comm, event, data);
+ FILL_FIELD(switch_event, next_pid, event, data);
+ FILL_FIELD(switch_event, next_prio, event, data);
if (curr_pid[this_cpu] != (u32)-1) {
/*
nr_context_switch_bugs++;
}
if (trace_handler->switch_event)
- trace_handler->switch_event(&switch_event, event, this_cpu, timestamp, thread);
+ trace_handler->switch_event(&switch_event, session, event,
+ this_cpu, timestamp, thread);
curr_pid[this_cpu] = switch_event.next_pid;
}
static void
-process_sched_runtime_event(struct raw_event_sample *raw,
+process_sched_runtime_event(void *data, struct perf_session *session,
struct event *event,
int cpu __used,
u64 timestamp __used,
{
struct trace_runtime_event runtime_event;
- FILL_ARRAY(runtime_event, comm, event, raw->data);
- FILL_FIELD(runtime_event, pid, event, raw->data);
- FILL_FIELD(runtime_event, runtime, event, raw->data);
- FILL_FIELD(runtime_event, vruntime, event, raw->data);
+ FILL_ARRAY(runtime_event, comm, event, data);
+ FILL_FIELD(runtime_event, pid, event, data);
+ FILL_FIELD(runtime_event, runtime, event, data);
+ FILL_FIELD(runtime_event, vruntime, event, data);
if (trace_handler->runtime_event)
- trace_handler->runtime_event(&runtime_event, event, cpu, timestamp, thread);
+ trace_handler->runtime_event(&runtime_event, session, event, cpu, timestamp, thread);
}
static void
-process_sched_fork_event(struct raw_event_sample *raw,
+process_sched_fork_event(void *data,
struct event *event,
int cpu __used,
u64 timestamp __used,
{
struct trace_fork_event fork_event;
- FILL_COMMON_FIELDS(fork_event, event, raw->data);
+ FILL_COMMON_FIELDS(fork_event, event, data);
- FILL_ARRAY(fork_event, parent_comm, event, raw->data);
- FILL_FIELD(fork_event, parent_pid, event, raw->data);
- FILL_ARRAY(fork_event, child_comm, event, raw->data);
- FILL_FIELD(fork_event, child_pid, event, raw->data);
+ FILL_ARRAY(fork_event, parent_comm, event, data);
+ FILL_FIELD(fork_event, parent_pid, event, data);
+ FILL_ARRAY(fork_event, child_comm, event, data);
+ FILL_FIELD(fork_event, child_pid, event, data);
if (trace_handler->fork_event)
- trace_handler->fork_event(&fork_event, event, cpu, timestamp, thread);
+ trace_handler->fork_event(&fork_event, event,
+ cpu, timestamp, thread);
}
static void
}
static void
-process_sched_migrate_task_event(struct raw_event_sample *raw,
+process_sched_migrate_task_event(void *data, struct perf_session *session,
struct event *event,
int cpu __used,
u64 timestamp __used,
{
struct trace_migrate_task_event migrate_task_event;
- FILL_COMMON_FIELDS(migrate_task_event, event, raw->data);
+ FILL_COMMON_FIELDS(migrate_task_event, event, data);
- FILL_ARRAY(migrate_task_event, comm, event, raw->data);
- FILL_FIELD(migrate_task_event, pid, event, raw->data);
- FILL_FIELD(migrate_task_event, prio, event, raw->data);
- FILL_FIELD(migrate_task_event, cpu, event, raw->data);
+ FILL_ARRAY(migrate_task_event, comm, event, data);
+ FILL_FIELD(migrate_task_event, pid, event, data);
+ FILL_FIELD(migrate_task_event, prio, event, data);
+ FILL_FIELD(migrate_task_event, cpu, event, data);
if (trace_handler->migrate_task_event)
- trace_handler->migrate_task_event(&migrate_task_event, event, cpu, timestamp, thread);
+ trace_handler->migrate_task_event(&migrate_task_event, session,
+ event, cpu, timestamp, thread);
}
static void
-process_raw_event(event_t *raw_event __used, void *more_data,
- int cpu, u64 timestamp, struct thread *thread)
+process_raw_event(event_t *raw_event __used, struct perf_session *session,
+ void *data, int cpu, u64 timestamp, struct thread *thread)
{
- struct raw_event_sample *raw = more_data;
struct event *event;
int type;
- type = trace_parse_common_type(raw->data);
+
+ type = trace_parse_common_type(data);
event = trace_find_event(type);
if (!strcmp(event->name, "sched_switch"))
- process_sched_switch_event(raw, event, cpu, timestamp, thread);
+ process_sched_switch_event(data, session, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_stat_runtime"))
- process_sched_runtime_event(raw, event, cpu, timestamp, thread);
+ process_sched_runtime_event(data, session, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_wakeup"))
- process_sched_wakeup_event(raw, event, cpu, timestamp, thread);
+ process_sched_wakeup_event(data, session, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_wakeup_new"))
- process_sched_wakeup_event(raw, event, cpu, timestamp, thread);
+ process_sched_wakeup_event(data, session, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_process_fork"))
- process_sched_fork_event(raw, event, cpu, timestamp, thread);
+ process_sched_fork_event(data, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_process_exit"))
process_sched_exit_event(event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_migrate_task"))
- process_sched_migrate_task_event(raw, event, cpu, timestamp, thread);
+ process_sched_migrate_task_event(data, session, event, cpu, timestamp, thread);
}
-static int
-process_sample_event(event_t *event, unsigned long offset, unsigned long head)
+static int process_sample_event(event_t *event, struct perf_session *session)
{
+ struct sample_data data;
struct thread *thread;
- u64 ip = event->ip.ip;
- u64 timestamp = -1;
- u32 cpu = -1;
- u64 period = 1;
- void *more_data = event->ip.__more_data;
- if (!(sample_type & PERF_SAMPLE_RAW))
+ if (!(session->sample_type & PERF_SAMPLE_RAW))
return 0;
- thread = threads__findnew(event->ip.pid);
+ memset(&data, 0, sizeof(data));
+ data.time = -1;
+ data.cpu = -1;
+ data.period = -1;
- if (sample_type & PERF_SAMPLE_TIME) {
- timestamp = *(u64 *)more_data;
- more_data += sizeof(u64);
- }
-
- if (sample_type & PERF_SAMPLE_CPU) {
- cpu = *(u32 *)more_data;
- more_data += sizeof(u32);
- more_data += sizeof(u32); /* reserved */
- }
-
- if (sample_type & PERF_SAMPLE_PERIOD) {
- period = *(u64 *)more_data;
- more_data += sizeof(u64);
- }
+ event__parse_sample(event, session->sample_type, &data);
- dump_printf("%p [%p]: PERF_RECORD_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->header.misc,
- event->ip.pid, event->ip.tid,
- (void *)(long)ip,
- (long long)period);
+ dump_printf("(IP, %d): %d/%d: %#Lx period: %Ld\n", event->header.misc,
+ data.pid, data.tid, data.ip, data.period);
+ thread = perf_session__findnew(session, data.pid);
if (thread == NULL) {
pr_debug("problem processing %d event, skipping it.\n",
event->header.type);
dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
- if (profile_cpu != -1 && profile_cpu != (int) cpu)
+ if (profile_cpu != -1 && profile_cpu != (int)data.cpu)
return 0;
- process_raw_event(event, more_data, cpu, timestamp, thread);
-
- return 0;
-}
-
-static int
-process_lost_event(event_t *event __used,
- unsigned long offset __used,
- unsigned long head __used)
-{
- nr_lost_chunks++;
- nr_lost_events += event->lost.lost;
-
- return 0;
-}
-
-static int sample_type_check(u64 type)
-{
- sample_type = type;
-
- if (!(sample_type & PERF_SAMPLE_RAW)) {
- fprintf(stderr,
- "No trace sample to read. Did you call perf record "
- "without -R?");
- return -1;
- }
+ process_raw_event(event, session, data.raw_data, data.cpu, data.time, thread);
return 0;
}
-static struct perf_file_handler file_handler = {
- .process_sample_event = process_sample_event,
- .process_comm_event = process_comm_event,
- .process_lost_event = process_lost_event,
- .sample_type_check = sample_type_check,
+static struct perf_event_ops event_ops = {
+ .sample = process_sample_event,
+ .comm = event__process_comm,
+ .lost = event__process_lost,
+ .fork = event__process_task,
+ .ordered_samples = true,
};
static int read_events(void)
{
- register_idle_thread();
- register_perf_file_handler(&file_handler);
+ int err = -EINVAL;
+ struct perf_session *session = perf_session__new(input_name, O_RDONLY, 0, false);
+ if (session == NULL)
+ return -ENOMEM;
+
+ if (perf_session__has_traces(session, "record -R")) {
+ err = perf_session__process_events(session, &event_ops);
+ nr_events = session->hists.stats.nr_events[0];
+ nr_lost_events = session->hists.stats.total_lost;
+ nr_lost_chunks = session->hists.stats.nr_events[PERF_RECORD_LOST];
+ }
- return mmap_dispatch_perf_file(&header, input_name, 0, 0,
- &cwdlen, &cwd);
+ perf_session__delete(session);
+ return err;
}
static void print_bad_events(void)
read_events();
sort_lat();
- printf("\n -----------------------------------------------------------------------------------------\n");
- printf(" Task | Runtime ms | Switches | Average delay ms | Maximum delay ms |\n");
- printf(" -----------------------------------------------------------------------------------------\n");
+ printf("\n ---------------------------------------------------------------------------------------------------------------\n");
+ printf(" Task | Runtime ms | Switches | Average delay ms | Maximum delay ms | Maximum delay at |\n");
+ printf(" ---------------------------------------------------------------------------------------------------------------\n");
next = rb_first(&sorted_atom_root);
static const struct option sched_options[] = {
OPT_STRING('i', "input", &input_name, "file",
"input file name"),
- OPT_BOOLEAN('v', "verbose", &verbose,
+ OPT_INCR('v', "verbose", &verbose,
"be more verbose (show symbol address, etc)"),
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
"dump raw trace in ASCII"),
static const struct option latency_options[] = {
OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
"sort by key(s): runtime, switch, avg, max"),
- OPT_BOOLEAN('v', "verbose", &verbose,
+ OPT_INCR('v', "verbose", &verbose,
"be more verbose (show symbol address, etc)"),
OPT_INTEGER('C', "CPU", &profile_cpu,
"CPU to profile on"),
};
static const struct option replay_options[] = {
- OPT_INTEGER('r', "repeat", &replay_repeat,
- "repeat the workload replay N times (-1: infinite)"),
- OPT_BOOLEAN('v', "verbose", &verbose,
+ OPT_UINTEGER('r', "repeat", &replay_repeat,
+ "repeat the workload replay N times (-1: infinite)"),
+ OPT_INCR('v', "verbose", &verbose,
"be more verbose (show symbol address, etc)"),
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
"dump raw trace in ASCII"),
"record",
"-a",
"-R",
- "-M",
"-f",
"-m", "1024",
"-c", "1",
int cmd_sched(int argc, const char **argv, const char *prefix __used)
{
- symbol__init(0);
-
argc = parse_options(argc, argv, sched_options, sched_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (!argc)
usage_with_options(sched_usage, sched_options);
+ /*
+ * Aliased to 'perf trace' for now:
+ */
+ if (!strcmp(argv[0], "trace"))
+ return cmd_trace(argc, argv, prefix);
+
+ symbol__init();
if (!strncmp(argv[0], "rec", 3)) {
return __cmd_record(argc, argv);
} else if (!strncmp(argv[0], "lat", 3)) {
usage_with_options(replay_usage, replay_options);
}
__cmd_replay();
- } else if (!strcmp(argv[0], "trace")) {
- /*
- * Aliased to 'perf trace' for now:
- */
- return cmd_trace(argc, argv, prefix);
} else {
usage_with_options(sched_usage, sched_options);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff