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Diffstat (limited to 'tools/perf/builtin-script.c')
-rw-r--r--tools/perf/builtin-script.c229
1 files changed, 140 insertions, 89 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 1e60ab70b2b..1be843aa154 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -14,6 +14,7 @@
#include "util/util.h"
#include "util/evlist.h"
#include "util/evsel.h"
+#include "util/sort.h"
#include <linux/bitmap.h>
static char const *script_name;
@@ -28,11 +29,6 @@ static bool system_wide;
static const char *cpu_list;
static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
-struct perf_script {
- struct perf_tool tool;
- struct perf_session *session;
-};
-
enum perf_output_field {
PERF_OUTPUT_COMM = 1U << 0,
PERF_OUTPUT_TID = 1U << 1,
@@ -262,14 +258,11 @@ static int perf_session__check_output_opt(struct perf_session *session)
return 0;
}
-static void print_sample_start(struct pevent *pevent,
- struct perf_sample *sample,
+static void print_sample_start(struct perf_sample *sample,
struct thread *thread,
struct perf_evsel *evsel)
{
- int type;
struct perf_event_attr *attr = &evsel->attr;
- struct event_format *event;
const char *evname = NULL;
unsigned long secs;
unsigned long usecs;
@@ -307,20 +300,7 @@ static void print_sample_start(struct pevent *pevent,
}
if (PRINT_FIELD(EVNAME)) {
- if (attr->type == PERF_TYPE_TRACEPOINT) {
- /*
- * XXX Do we really need this here?
- * perf_evlist__set_tracepoint_names should have done
- * this already
- */
- type = trace_parse_common_type(pevent,
- sample->raw_data);
- event = pevent_find_event(pevent, type);
- if (event)
- evname = event->name;
- } else
- evname = perf_evsel__name(evsel);
-
+ evname = perf_evsel__name(evsel);
printf("%s: ", evname ? evname : "[unknown]");
}
}
@@ -401,7 +381,7 @@ static void print_sample_bts(union perf_event *event,
printf(" ");
else
printf("\n");
- perf_event__print_ip(event, sample, machine,
+ perf_evsel__print_ip(evsel, event, sample, machine,
PRINT_FIELD(SYM), PRINT_FIELD(DSO),
PRINT_FIELD(SYMOFFSET));
}
@@ -415,19 +395,17 @@ static void print_sample_bts(union perf_event *event,
printf("\n");
}
-static void process_event(union perf_event *event __unused,
- struct pevent *pevent,
- struct perf_sample *sample,
- struct perf_evsel *evsel,
- struct machine *machine,
- struct thread *thread)
+static void process_event(union perf_event *event, struct perf_sample *sample,
+ struct perf_evsel *evsel, struct machine *machine,
+ struct addr_location *al)
{
struct perf_event_attr *attr = &evsel->attr;
+ struct thread *thread = al->thread;
if (output[attr->type].fields == 0)
return;
- print_sample_start(pevent, sample, thread, evsel);
+ print_sample_start(sample, thread, evsel);
if (is_bts_event(attr)) {
print_sample_bts(event, sample, evsel, machine, thread);
@@ -435,9 +413,8 @@ static void process_event(union perf_event *event __unused,
}
if (PRINT_FIELD(TRACE))
- print_trace_event(pevent, sample->cpu, sample->raw_data,
- sample->raw_size);
-
+ event_format__print(evsel->tp_format, sample->cpu,
+ sample->raw_data, sample->raw_size);
if (PRINT_FIELD(ADDR))
print_sample_addr(event, sample, machine, thread, attr);
@@ -446,7 +423,7 @@ static void process_event(union perf_event *event __unused,
printf(" ");
else
printf("\n");
- perf_event__print_ip(event, sample, machine,
+ perf_evsel__print_ip(evsel, event, sample, machine,
PRINT_FIELD(SYM), PRINT_FIELD(DSO),
PRINT_FIELD(SYMOFFSET));
}
@@ -454,9 +431,9 @@ static void process_event(union perf_event *event __unused,
printf("\n");
}
-static int default_start_script(const char *script __unused,
- int argc __unused,
- const char **argv __unused)
+static int default_start_script(const char *script __maybe_unused,
+ int argc __maybe_unused,
+ const char **argv __maybe_unused)
{
return 0;
}
@@ -466,8 +443,8 @@ static int default_stop_script(void)
return 0;
}
-static int default_generate_script(struct pevent *pevent __unused,
- const char *outfile __unused)
+static int default_generate_script(struct pevent *pevent __maybe_unused,
+ const char *outfile __maybe_unused)
{
return 0;
}
@@ -498,14 +475,13 @@ static int cleanup_scripting(void)
static const char *input_name;
-static int process_sample_event(struct perf_tool *tool __used,
+static int process_sample_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine)
{
struct addr_location al;
- struct perf_script *scr = container_of(tool, struct perf_script, tool);
struct thread *thread = machine__findnew_thread(machine, event->ip.tid);
if (thread == NULL) {
@@ -537,32 +513,29 @@ static int process_sample_event(struct perf_tool *tool __used,
if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
return 0;
- scripting_ops->process_event(event, scr->session->pevent,
- sample, evsel, machine, thread);
+ scripting_ops->process_event(event, sample, evsel, machine, &al);
evsel->hists.stats.total_period += sample->period;
return 0;
}
-static struct perf_script perf_script = {
- .tool = {
- .sample = process_sample_event,
- .mmap = perf_event__process_mmap,
- .comm = perf_event__process_comm,
- .exit = perf_event__process_task,
- .fork = perf_event__process_task,
- .attr = perf_event__process_attr,
- .event_type = perf_event__process_event_type,
- .tracing_data = perf_event__process_tracing_data,
- .build_id = perf_event__process_build_id,
- .ordered_samples = true,
- .ordering_requires_timestamps = true,
- },
+static struct perf_tool perf_script = {
+ .sample = process_sample_event,
+ .mmap = perf_event__process_mmap,
+ .comm = perf_event__process_comm,
+ .exit = perf_event__process_task,
+ .fork = perf_event__process_task,
+ .attr = perf_event__process_attr,
+ .event_type = perf_event__process_event_type,
+ .tracing_data = perf_event__process_tracing_data,
+ .build_id = perf_event__process_build_id,
+ .ordered_samples = true,
+ .ordering_requires_timestamps = true,
};
extern volatile int session_done;
-static void sig_handler(int sig __unused)
+static void sig_handler(int sig __maybe_unused)
{
session_done = 1;
}
@@ -573,7 +546,7 @@ static int __cmd_script(struct perf_session *session)
signal(SIGINT, sig_handler);
- ret = perf_session__process_events(session, &perf_script.tool);
+ ret = perf_session__process_events(session, &perf_script);
if (debug_mode)
pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
@@ -672,8 +645,8 @@ static void list_available_languages(void)
fprintf(stderr, "\n");
}
-static int parse_scriptname(const struct option *opt __used,
- const char *str, int unset __used)
+static int parse_scriptname(const struct option *opt __maybe_unused,
+ const char *str, int unset __maybe_unused)
{
char spec[PATH_MAX];
const char *script, *ext;
@@ -718,8 +691,8 @@ static int parse_scriptname(const struct option *opt __used,
return 0;
}
-static int parse_output_fields(const struct option *opt __used,
- const char *arg, int unset __used)
+static int parse_output_fields(const struct option *opt __maybe_unused,
+ const char *arg, int unset __maybe_unused)
{
char *tok;
int i, imax = sizeof(all_output_options) / sizeof(struct output_option);
@@ -1010,8 +983,9 @@ static char *get_script_root(struct dirent *script_dirent, const char *suffix)
return script_root;
}
-static int list_available_scripts(const struct option *opt __used,
- const char *s __used, int unset __used)
+static int list_available_scripts(const struct option *opt __maybe_unused,
+ const char *s __maybe_unused,
+ int unset __maybe_unused)
{
struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
char scripts_path[MAXPATHLEN];
@@ -1058,6 +1032,61 @@ static int list_available_scripts(const struct option *opt __used,
exit(0);
}
+/*
+ * Return -1 if none is found, otherwise the actual scripts number.
+ *
+ * Currently the only user of this function is the script browser, which
+ * will list all statically runnable scripts, select one, execute it and
+ * show the output in a perf browser.
+ */
+int find_scripts(char **scripts_array, char **scripts_path_array)
+{
+ struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
+ char scripts_path[MAXPATHLEN];
+ DIR *scripts_dir, *lang_dir;
+ char lang_path[MAXPATHLEN];
+ char *temp;
+ int i = 0;
+
+ snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
+
+ scripts_dir = opendir(scripts_path);
+ if (!scripts_dir)
+ return -1;
+
+ for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
+ snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
+ lang_dirent.d_name);
+#ifdef NO_LIBPERL
+ if (strstr(lang_path, "perl"))
+ continue;
+#endif
+#ifdef NO_LIBPYTHON
+ if (strstr(lang_path, "python"))
+ continue;
+#endif
+
+ lang_dir = opendir(lang_path);
+ if (!lang_dir)
+ continue;
+
+ for_each_script(lang_path, lang_dir, script_dirent, script_next) {
+ /* Skip those real time scripts: xxxtop.p[yl] */
+ if (strstr(script_dirent.d_name, "top."))
+ continue;
+ sprintf(scripts_path_array[i], "%s/%s", lang_path,
+ script_dirent.d_name);
+ temp = strchr(script_dirent.d_name, '.');
+ snprintf(scripts_array[i],
+ (temp - script_dirent.d_name) + 1,
+ "%s", script_dirent.d_name);
+ i++;
+ }
+ }
+
+ return i;
+}
+
static char *get_script_path(const char *script_root, const char *suffix)
{
struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
@@ -1170,6 +1199,8 @@ static const struct option options[] = {
parse_output_fields),
OPT_BOOLEAN('a', "all-cpus", &system_wide,
"system-wide collection from all CPUs"),
+ OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
+ "only consider these symbols"),
OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
"only display events for these comms"),
@@ -1181,21 +1212,26 @@ static const struct option options[] = {
OPT_END()
};
-static bool have_cmd(int argc, const char **argv)
+static int have_cmd(int argc, const char **argv)
{
char **__argv = malloc(sizeof(const char *) * argc);
- if (!__argv)
- die("malloc");
+ if (!__argv) {
+ pr_err("malloc failed\n");
+ return -1;
+ }
+
memcpy(__argv, argv, sizeof(const char *) * argc);
argc = parse_options(argc, (const char **)__argv, record_options,
NULL, PARSE_OPT_STOP_AT_NON_OPTION);
free(__argv);
- return argc != 0;
+ system_wide = (argc == 0);
+
+ return 0;
}
-int cmd_script(int argc, const char **argv, const char *prefix __used)
+int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
{
char *rec_script_path = NULL;
char *rep_script_path = NULL;
@@ -1259,13 +1295,13 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
if (pipe(live_pipe) < 0) {
perror("failed to create pipe");
- exit(-1);
+ return -1;
}
pid = fork();
if (pid < 0) {
perror("failed to fork");
- exit(-1);
+ return -1;
}
if (!pid) {
@@ -1277,13 +1313,18 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
if (is_top_script(argv[0])) {
system_wide = true;
} else if (!system_wide) {
- system_wide = !have_cmd(argc - rep_args,
- &argv[rep_args]);
+ if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
+ err = -1;
+ goto out;
+ }
}
__argv = malloc((argc + 6) * sizeof(const char *));
- if (!__argv)
- die("malloc");
+ if (!__argv) {
+ pr_err("malloc failed\n");
+ err = -ENOMEM;
+ goto out;
+ }
__argv[j++] = "/bin/sh";
__argv[j++] = rec_script_path;
@@ -1305,8 +1346,12 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
close(live_pipe[1]);
__argv = malloc((argc + 4) * sizeof(const char *));
- if (!__argv)
- die("malloc");
+ if (!__argv) {
+ pr_err("malloc failed\n");
+ err = -ENOMEM;
+ goto out;
+ }
+
j = 0;
__argv[j++] = "/bin/sh";
__argv[j++] = rep_script_path;
@@ -1331,12 +1376,20 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
if (!rec_script_path)
system_wide = false;
- else if (!system_wide)
- system_wide = !have_cmd(argc - 1, &argv[1]);
+ else if (!system_wide) {
+ if (have_cmd(argc - 1, &argv[1]) != 0) {
+ err = -1;
+ goto out;
+ }
+ }
__argv = malloc((argc + 2) * sizeof(const char *));
- if (!__argv)
- die("malloc");
+ if (!__argv) {
+ pr_err("malloc failed\n");
+ err = -ENOMEM;
+ goto out;
+ }
+
__argv[j++] = "/bin/sh";
__argv[j++] = script_path;
if (system_wide)
@@ -1356,12 +1409,10 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
setup_pager();
session = perf_session__new(input_name, O_RDONLY, 0, false,
- &perf_script.tool);
+ &perf_script);
if (session == NULL)
return -ENOMEM;
- perf_script.session = session;
-
if (cpu_list) {
if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap))
return -1;
@@ -1387,18 +1438,18 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
input = open(session->filename, O_RDONLY); /* input_name */
if (input < 0) {
perror("failed to open file");
- exit(-1);
+ return -1;
}
err = fstat(input, &perf_stat);
if (err < 0) {
perror("failed to stat file");
- exit(-1);
+ return -1;
}
if (!perf_stat.st_size) {
fprintf(stderr, "zero-sized file, nothing to do!\n");
- exit(0);
+ return 0;
}
scripting_ops = script_spec__lookup(generate_script_lang);