forked from luck/tmp_suning_uos_patched
perf report: Support builtin perf script in scripts menu
The scripts menu traditionally only showed custom perf scripts. Allow to run standard perf script with useful default options too. - Normal perf script - perf script with assembler (needs xed installed) - perf script with source code output (needs debuginfo) - perf script with custom arguments Then we automatically select the right options to display the information in the perf.data file. For example with -b display branch contexts. It's not easily possible to check for xed's existence in advance. perf script usually gives sensible error messages when it's not available. Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Link: http://lkml.kernel.org/r/20190311144502.15423-7-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Andi Kleen
Arnaldo Carvalho de Melo
parent
1d6c49df74
commit
6f3da20e15
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@ -750,7 +750,7 @@ static int annotate_browser__run(struct annotate_browser *browser,
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continue;
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case 'r':
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{
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script_browse(NULL);
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script_browse(NULL, NULL);
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continue;
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}
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case 'k':
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@ -2344,6 +2344,7 @@ struct popup_action {
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struct thread *thread;
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struct map_symbol ms;
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int socket;
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struct perf_evsel *evsel;
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int (*fn)(struct hist_browser *browser, struct popup_action *act);
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};
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@ -2566,7 +2567,7 @@ do_run_script(struct hist_browser *browser __maybe_unused,
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n += snprintf(script_opt + n, len - n, " --time %s,%s", start, end);
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}
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script_browse(script_opt);
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script_browse(script_opt, act->evsel);
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free(script_opt);
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return 0;
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}
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@ -2575,7 +2576,7 @@ static int
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add_script_opt_2(struct hist_browser *browser __maybe_unused,
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struct popup_action *act, char **optstr,
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struct thread *thread, struct symbol *sym,
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const char *tstr)
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struct perf_evsel *evsel, const char *tstr)
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{
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if (thread) {
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@ -2593,6 +2594,7 @@ add_script_opt_2(struct hist_browser *browser __maybe_unused,
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act->thread = thread;
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act->ms.sym = sym;
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act->evsel = evsel;
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act->fn = do_run_script;
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return 1;
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}
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@ -2600,12 +2602,13 @@ add_script_opt_2(struct hist_browser *browser __maybe_unused,
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static int
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add_script_opt(struct hist_browser *browser,
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struct popup_action *act, char **optstr,
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struct thread *thread, struct symbol *sym)
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struct thread *thread, struct symbol *sym,
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struct perf_evsel *evsel)
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{
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int n, j;
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struct hist_entry *he;
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n = add_script_opt_2(browser, act, optstr, thread, sym, "");
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n = add_script_opt_2(browser, act, optstr, thread, sym, evsel, "");
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he = hist_browser__selected_entry(browser);
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if (sort_order && strstr(sort_order, "time")) {
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@ -2618,10 +2621,9 @@ add_script_opt(struct hist_browser *browser,
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sizeof tstr - j);
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j += sprintf(tstr + j, "-");
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timestamp__scnprintf_usec(he->time + symbol_conf.time_quantum,
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tstr + j,
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sizeof tstr - j);
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tstr + j, sizeof tstr - j);
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n += add_script_opt_2(browser, act, optstr, thread, sym,
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tstr);
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evsel, tstr);
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act->time = he->time;
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}
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return n;
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@ -3092,7 +3094,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
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nr_options += add_script_opt(browser,
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&actions[nr_options],
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&options[nr_options],
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thread, NULL);
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thread, NULL, evsel);
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}
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/*
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* Note that browser->selection != NULL
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@ -3107,11 +3109,12 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
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nr_options += add_script_opt(browser,
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&actions[nr_options],
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&options[nr_options],
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NULL, browser->selection->sym);
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NULL, browser->selection->sym,
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evsel);
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}
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}
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nr_options += add_script_opt(browser, &actions[nr_options],
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&options[nr_options], NULL, NULL);
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&options[nr_options], NULL, NULL, evsel);
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nr_options += add_switch_opt(browser, &actions[nr_options],
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&options[nr_options]);
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skip_scripting:
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@ -17,36 +17,111 @@
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*/
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#define SCRIPT_FULLPATH_LEN 256
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struct script_config {
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const char **names;
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char **paths;
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int index;
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const char *perf;
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char extra_format[256];
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};
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void attr_to_script(char *extra_format, struct perf_event_attr *attr)
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{
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extra_format[0] = 0;
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if (attr->read_format & PERF_FORMAT_GROUP)
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strcat(extra_format, " -F +metric");
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if (attr->sample_type & PERF_SAMPLE_BRANCH_STACK)
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strcat(extra_format, " -F +brstackinsn --xed");
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if (attr->sample_type & PERF_SAMPLE_REGS_INTR)
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strcat(extra_format, " -F +iregs");
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if (attr->sample_type & PERF_SAMPLE_REGS_USER)
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strcat(extra_format, " -F +uregs");
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if (attr->sample_type & PERF_SAMPLE_PHYS_ADDR)
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strcat(extra_format, " -F +phys_addr");
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}
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static int add_script_option(const char *name, const char *opt,
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struct script_config *c)
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{
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c->names[c->index] = name;
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if (asprintf(&c->paths[c->index],
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"%s script %s -F +metric %s %s",
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c->perf, opt, symbol_conf.inline_name ? " --inline" : "",
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c->extra_format) < 0)
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return -1;
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c->index++;
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return 0;
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}
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/*
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* When success, will copy the full path of the selected script
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* into the buffer pointed by script_name, and return 0.
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* Return -1 on failure.
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*/
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static int list_scripts(char *script_name)
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static int list_scripts(char *script_name, bool *custom,
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struct perf_evsel *evsel)
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{
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char *buf, *names[SCRIPT_MAX_NO], *paths[SCRIPT_MAX_NO];
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int i, num, choice, ret = -1;
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char *buf, *paths[SCRIPT_MAX_NO], *names[SCRIPT_MAX_NO];
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int i, num, choice;
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int ret = 0;
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int max_std, custom_perf;
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char pbuf[256];
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const char *perf = perf_exe(pbuf, sizeof pbuf);
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struct script_config scriptc = {
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.names = (const char **)names,
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.paths = paths,
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.perf = perf
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};
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script_name[0] = 0;
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/* Preset the script name to SCRIPT_NAMELEN */
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buf = malloc(SCRIPT_MAX_NO * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN));
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if (!buf)
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return ret;
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return -1;
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for (i = 0; i < SCRIPT_MAX_NO; i++) {
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names[i] = buf + i * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN);
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if (evsel)
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attr_to_script(scriptc.extra_format, &evsel->attr);
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add_script_option("Show individual samples", "", &scriptc);
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add_script_option("Show individual samples with assembler", "-F +insn --xed",
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&scriptc);
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add_script_option("Show individual samples with source", "-F +srcline,+srccode",
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&scriptc);
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custom_perf = scriptc.index;
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add_script_option("Show samples with custom perf script arguments", "", &scriptc);
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i = scriptc.index;
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max_std = i;
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for (; i < SCRIPT_MAX_NO; i++) {
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names[i] = buf + (i - max_std) * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN);
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paths[i] = names[i] + SCRIPT_NAMELEN;
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}
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num = find_scripts(names, paths);
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if (num > 0) {
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choice = ui__popup_menu(num, names);
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if (choice < num && choice >= 0) {
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strcpy(script_name, paths[choice]);
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ret = 0;
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}
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num = find_scripts(names + max_std, paths + max_std);
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if (num < 0)
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num = 0;
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choice = ui__popup_menu(num + max_std, (char * const *)names);
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if (choice < 0) {
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ret = -1;
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goto out;
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}
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if (choice == custom_perf) {
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char script_args[50];
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int key = ui_browser__input_window("perf script command",
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"Enter perf script command line (without perf script prefix)",
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script_args, "", 0);
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if (key != K_ENTER)
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return -1;
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sprintf(script_name, "%s script %s", perf, script_args);
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} else if (choice < num + max_std) {
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strcpy(script_name, paths[choice]);
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}
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*custom = choice >= max_std;
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out:
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free(buf);
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for (i = 0; i < max_std; i++)
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free(paths[i]);
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return ret;
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}
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@ -66,27 +141,25 @@ static void run_script(char *cmd)
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SLsmg_refresh();
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}
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int script_browse(const char *script_opt)
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int script_browse(const char *script_opt, struct perf_evsel *evsel)
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{
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char cmd[SCRIPT_FULLPATH_LEN*2], script_name[SCRIPT_FULLPATH_LEN];
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char *cmd, script_name[SCRIPT_FULLPATH_LEN];
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bool custom = false;
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memset(script_name, 0, SCRIPT_FULLPATH_LEN);
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if (list_scripts(script_name))
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if (list_scripts(script_name, &custom, evsel))
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return -1;
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sprintf(cmd, "perf script -s %s ", script_name);
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if (script_opt)
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strcat(cmd, script_opt);
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if (input_name) {
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strcat(cmd, " -i ");
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strcat(cmd, input_name);
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}
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strcat(cmd, " 2>&1 | less");
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if (asprintf(&cmd, "%s%s %s %s%s 2>&1 | less",
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custom ? "perf script -s " : "",
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script_name,
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script_opt ? script_opt : "",
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input_name ? "-i " : "",
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input_name ? input_name : "") < 0)
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return -1;
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run_script(cmd);
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free(cmd);
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return 0;
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}
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@ -436,6 +436,8 @@ struct annotation_options;
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#ifdef HAVE_SLANG_SUPPORT
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#include "../ui/keysyms.h"
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void attr_to_script(char *buf, struct perf_event_attr *attr);
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int map_symbol__tui_annotate(struct map_symbol *ms, struct perf_evsel *evsel,
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struct hist_browser_timer *hbt,
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struct annotation_options *annotation_opts);
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@ -450,7 +452,8 @@ int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
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struct perf_env *env,
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bool warn_lost_event,
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struct annotation_options *annotation_options);
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int script_browse(const char *script_opt);
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int script_browse(const char *script_opt, struct perf_evsel *evsel);
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#else
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static inline
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int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused,
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@ -479,7 +482,8 @@ static inline int hist_entry__tui_annotate(struct hist_entry *he __maybe_unused,
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return 0;
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}
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static inline int script_browse(const char *script_opt __maybe_unused)
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static inline int script_browse(const char *script_opt __maybe_unused,
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struct perf_evsel *evsel __maybe_unused)
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{
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return 0;
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}
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