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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
commit03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch)
treefa581f6dc1c0596391690d1f67eceef3af8246dc /tools/perf/builtin-script.c
parentd4e493caf788ef44982e131ff9c786546904d934 (diff)
Linux-libre 4.5-gnu
Diffstat (limited to 'tools/perf/builtin-script.c')
-rw-r--r--tools/perf/builtin-script.c245
1 files changed, 199 insertions, 46 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 72b5deb4b..c691214d8 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -3,9 +3,9 @@
#include "perf.h"
#include "util/cache.h"
#include "util/debug.h"
-#include "util/exec_cmd.h"
+#include <subcmd/exec-cmd.h>
#include "util/header.h"
-#include "util/parse-options.h"
+#include <subcmd/parse-options.h>
#include "util/perf_regs.h"
#include "util/session.h"
#include "util/tool.h"
@@ -18,7 +18,11 @@
#include "util/sort.h"
#include "util/data.h"
#include "util/auxtrace.h"
+#include "util/cpumap.h"
+#include "util/thread_map.h"
+#include "util/stat.h"
#include <linux/bitmap.h>
+#include "asm/bug.h"
static char const *script_name;
static char const *generate_script_lang;
@@ -32,6 +36,7 @@ static bool print_flags;
static bool nanosecs;
static const char *cpu_list;
static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
+static struct perf_stat_config stat_config;
unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
@@ -130,6 +135,18 @@ static struct {
.invalid_fields = PERF_OUTPUT_TRACE,
},
+
+ [PERF_TYPE_BREAKPOINT] = {
+ .user_set = false,
+
+ .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
+ PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
+ PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
+ PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
+ PERF_OUTPUT_PERIOD,
+
+ .invalid_fields = PERF_OUTPUT_TRACE,
+ },
};
static bool output_set_by_user(void)
@@ -204,6 +221,9 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel,
struct perf_event_attr *attr = &evsel->attr;
bool allow_user_set;
+ if (perf_header__has_feat(&session->header, HEADER_STAT))
+ return 0;
+
allow_user_set = perf_header__has_feat(&session->header,
HEADER_AUXTRACE);
@@ -588,8 +608,35 @@ static void print_sample_flags(u32 flags)
printf(" %-4s ", str);
}
-static void process_event(union perf_event *event, struct perf_sample *sample,
- struct perf_evsel *evsel, struct addr_location *al)
+struct perf_script {
+ struct perf_tool tool;
+ struct perf_session *session;
+ bool show_task_events;
+ bool show_mmap_events;
+ bool show_switch_events;
+ bool allocated;
+ struct cpu_map *cpus;
+ struct thread_map *threads;
+ int name_width;
+};
+
+static int perf_evlist__max_name_len(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel;
+ int max = 0;
+
+ evlist__for_each(evlist, evsel) {
+ int len = strlen(perf_evsel__name(evsel));
+
+ max = MAX(len, max);
+ }
+
+ return max;
+}
+
+static void process_event(struct perf_script *script, union perf_event *event,
+ struct perf_sample *sample, struct perf_evsel *evsel,
+ struct addr_location *al)
{
struct thread *thread = al->thread;
struct perf_event_attr *attr = &evsel->attr;
@@ -604,7 +651,12 @@ static void process_event(union perf_event *event, struct perf_sample *sample,
if (PRINT_FIELD(EVNAME)) {
const char *evname = perf_evsel__name(evsel);
- printf("%s: ", evname ? evname : "[unknown]");
+
+ if (!script->name_width)
+ script->name_width = perf_evlist__max_name_len(script->session->evlist);
+
+ printf("%*s: ", script->name_width,
+ evname ? evname : "[unknown]");
}
if (print_flags)
@@ -643,65 +695,81 @@ static void process_event(union perf_event *event, struct perf_sample *sample,
printf("\n");
}
-static int default_start_script(const char *script __maybe_unused,
- int argc __maybe_unused,
- const char **argv __maybe_unused)
-{
- return 0;
-}
+static struct scripting_ops *scripting_ops;
-static int default_flush_script(void)
+static void __process_stat(struct perf_evsel *counter, u64 tstamp)
{
- return 0;
+ int nthreads = thread_map__nr(counter->threads);
+ int ncpus = perf_evsel__nr_cpus(counter);
+ int cpu, thread;
+ static int header_printed;
+
+ if (counter->system_wide)
+ nthreads = 1;
+
+ if (!header_printed) {
+ printf("%3s %8s %15s %15s %15s %15s %s\n",
+ "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
+ header_printed = 1;
+ }
+
+ for (thread = 0; thread < nthreads; thread++) {
+ for (cpu = 0; cpu < ncpus; cpu++) {
+ struct perf_counts_values *counts;
+
+ counts = perf_counts(counter->counts, cpu, thread);
+
+ printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
+ counter->cpus->map[cpu],
+ thread_map__pid(counter->threads, thread),
+ counts->val,
+ counts->ena,
+ counts->run,
+ tstamp,
+ perf_evsel__name(counter));
+ }
+ }
}
-static int default_stop_script(void)
+static void process_stat(struct perf_evsel *counter, u64 tstamp)
{
- return 0;
+ if (scripting_ops && scripting_ops->process_stat)
+ scripting_ops->process_stat(&stat_config, counter, tstamp);
+ else
+ __process_stat(counter, tstamp);
}
-static int default_generate_script(struct pevent *pevent __maybe_unused,
- const char *outfile __maybe_unused)
+static void process_stat_interval(u64 tstamp)
{
- return 0;
+ if (scripting_ops && scripting_ops->process_stat_interval)
+ scripting_ops->process_stat_interval(tstamp);
}
-static struct scripting_ops default_scripting_ops = {
- .start_script = default_start_script,
- .flush_script = default_flush_script,
- .stop_script = default_stop_script,
- .process_event = process_event,
- .generate_script = default_generate_script,
-};
-
-static struct scripting_ops *scripting_ops;
-
static void setup_scripting(void)
{
setup_perl_scripting();
setup_python_scripting();
-
- scripting_ops = &default_scripting_ops;
}
static int flush_scripting(void)
{
- return scripting_ops->flush_script();
+ return scripting_ops ? scripting_ops->flush_script() : 0;
}
static int cleanup_scripting(void)
{
pr_debug("\nperf script stopped\n");
- return scripting_ops->stop_script();
+ return scripting_ops ? scripting_ops->stop_script() : 0;
}
-static int process_sample_event(struct perf_tool *tool __maybe_unused,
+static int process_sample_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine)
{
+ struct perf_script *scr = container_of(tool, struct perf_script, tool);
struct addr_location al;
if (debug_mode) {
@@ -727,20 +795,16 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
goto out_put;
- scripting_ops->process_event(event, sample, evsel, &al);
+ if (scripting_ops)
+ scripting_ops->process_event(event, sample, evsel, &al);
+ else
+ process_event(scr, event, sample, evsel, &al);
+
out_put:
addr_location__put(&al);
return 0;
}
-struct perf_script {
- struct perf_tool tool;
- struct perf_session *session;
- bool show_task_events;
- bool show_mmap_events;
- bool show_switch_events;
-};
-
static int process_attr(struct perf_tool *tool, union perf_event *event,
struct perf_evlist **pevlist)
{
@@ -1156,6 +1220,8 @@ static int parse_output_fields(const struct option *opt __maybe_unused,
type = PERF_TYPE_TRACEPOINT;
else if (!strcmp(str, "raw"))
type = PERF_TYPE_RAW;
+ else if (!strcmp(str, "break"))
+ type = PERF_TYPE_BREAKPOINT;
else {
fprintf(stderr, "Invalid event type in field string.\n");
rc = -EINVAL;
@@ -1421,7 +1487,7 @@ static int list_available_scripts(const struct option *opt __maybe_unused,
char first_half[BUFSIZ];
char *script_root;
- snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
+ snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
scripts_dir = opendir(scripts_path);
if (!scripts_dir)
@@ -1542,7 +1608,7 @@ int find_scripts(char **scripts_array, char **scripts_path_array)
if (!session)
return -1;
- snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
+ snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
scripts_dir = opendir(scripts_path);
if (!scripts_dir) {
@@ -1600,7 +1666,7 @@ static char *get_script_path(const char *script_root, const char *suffix)
char lang_path[MAXPATHLEN];
char *__script_root;
- snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
+ snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
scripts_dir = opendir(scripts_path);
if (!scripts_dir)
@@ -1695,6 +1761,87 @@ static void script__setup_sample_type(struct perf_script *script)
}
}
+static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
+ union perf_event *event,
+ struct perf_session *session)
+{
+ struct stat_round_event *round = &event->stat_round;
+ struct perf_evsel *counter;
+
+ evlist__for_each(session->evlist, counter) {
+ perf_stat_process_counter(&stat_config, counter);
+ process_stat(counter, round->time);
+ }
+
+ process_stat_interval(round->time);
+ return 0;
+}
+
+static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
+ union perf_event *event,
+ struct perf_session *session __maybe_unused)
+{
+ perf_event__read_stat_config(&stat_config, &event->stat_config);
+ return 0;
+}
+
+static int set_maps(struct perf_script *script)
+{
+ struct perf_evlist *evlist = script->session->evlist;
+
+ if (!script->cpus || !script->threads)
+ return 0;
+
+ if (WARN_ONCE(script->allocated, "stats double allocation\n"))
+ return -EINVAL;
+
+ perf_evlist__set_maps(evlist, script->cpus, script->threads);
+
+ if (perf_evlist__alloc_stats(evlist, true))
+ return -ENOMEM;
+
+ script->allocated = true;
+ return 0;
+}
+
+static
+int process_thread_map_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_session *session __maybe_unused)
+{
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+
+ if (script->threads) {
+ pr_warning("Extra thread map event, ignoring.\n");
+ return 0;
+ }
+
+ script->threads = thread_map__new_event(&event->thread_map);
+ if (!script->threads)
+ return -ENOMEM;
+
+ return set_maps(script);
+}
+
+static
+int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
+ union perf_event *event,
+ struct perf_session *session __maybe_unused)
+{
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+
+ if (script->cpus) {
+ pr_warning("Extra cpu map event, ignoring.\n");
+ return 0;
+ }
+
+ script->cpus = cpu_map__new_data(&event->cpu_map.data);
+ if (!script->cpus)
+ return -ENOMEM;
+
+ return set_maps(script);
+}
+
int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
{
bool show_full_info = false;
@@ -1723,6 +1870,11 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
.auxtrace_info = perf_event__process_auxtrace_info,
.auxtrace = perf_event__process_auxtrace,
.auxtrace_error = perf_event__process_auxtrace_error,
+ .stat = perf_event__process_stat_event,
+ .stat_round = process_stat_round_event,
+ .stat_config = process_stat_config_event,
+ .thread_map = process_thread_map_event,
+ .cpu_map = process_cpu_map_event,
.ordered_events = true,
.ordering_requires_timestamps = true,
},
@@ -1836,7 +1988,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
scripting_max_stack = itrace_synth_opts.callchain_sz;
/* make sure PERF_EXEC_PATH is set for scripts */
- perf_set_argv_exec_path(perf_exec_path());
+ set_argv_exec_path(get_argv_exec_path());
if (argc && !script_name && !rec_script_path && !rep_script_path) {
int live_pipe[2];
@@ -2076,6 +2228,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
flush_scripting();
out_delete:
+ perf_evlist__free_stats(session->evlist);
perf_session__delete(session);
if (script_started)