[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/tools/perf/builtin-script.c b/ap/os/linux/linux-3.4.x/tools/perf/builtin-script.c
new file mode 100644
index 0000000..d4ce733
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/tools/perf/builtin-script.c
@@ -0,0 +1,1409 @@
+#include "builtin.h"
+
+#include "perf.h"
+#include "util/cache.h"
+#include "util/debug.h"
+#include "util/exec_cmd.h"
+#include "util/header.h"
+#include "util/parse-options.h"
+#include "util/session.h"
+#include "util/tool.h"
+#include "util/symbol.h"
+#include "util/thread.h"
+#include "util/trace-event.h"
+#include "util/util.h"
+#include "util/evlist.h"
+#include "util/evsel.h"
+#include <linux/bitmap.h>
+
+static char const *script_name;
+static char const *generate_script_lang;
+static bool debug_mode;
+static u64 last_timestamp;
+static u64 nr_unordered;
+extern const struct option record_options[];
+static bool no_callchain;
+static bool show_full_info;
+static bool system_wide;
+static const char *cpu_list;
+static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
+
+enum perf_output_field {
+ PERF_OUTPUT_COMM = 1U << 0,
+ PERF_OUTPUT_TID = 1U << 1,
+ PERF_OUTPUT_PID = 1U << 2,
+ PERF_OUTPUT_TIME = 1U << 3,
+ PERF_OUTPUT_CPU = 1U << 4,
+ PERF_OUTPUT_EVNAME = 1U << 5,
+ PERF_OUTPUT_TRACE = 1U << 6,
+ PERF_OUTPUT_IP = 1U << 7,
+ PERF_OUTPUT_SYM = 1U << 8,
+ PERF_OUTPUT_DSO = 1U << 9,
+ PERF_OUTPUT_ADDR = 1U << 10,
+ PERF_OUTPUT_SYMOFFSET = 1U << 11,
+};
+
+struct output_option {
+ const char *str;
+ enum perf_output_field field;
+} all_output_options[] = {
+ {.str = "comm", .field = PERF_OUTPUT_COMM},
+ {.str = "tid", .field = PERF_OUTPUT_TID},
+ {.str = "pid", .field = PERF_OUTPUT_PID},
+ {.str = "time", .field = PERF_OUTPUT_TIME},
+ {.str = "cpu", .field = PERF_OUTPUT_CPU},
+ {.str = "event", .field = PERF_OUTPUT_EVNAME},
+ {.str = "trace", .field = PERF_OUTPUT_TRACE},
+ {.str = "ip", .field = PERF_OUTPUT_IP},
+ {.str = "sym", .field = PERF_OUTPUT_SYM},
+ {.str = "dso", .field = PERF_OUTPUT_DSO},
+ {.str = "addr", .field = PERF_OUTPUT_ADDR},
+ {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
+};
+
+/* default set to maintain compatibility with current format */
+static struct {
+ bool user_set;
+ bool wildcard_set;
+ u64 fields;
+ u64 invalid_fields;
+} output[PERF_TYPE_MAX] = {
+
+ [PERF_TYPE_HARDWARE] = {
+ .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,
+
+ .invalid_fields = PERF_OUTPUT_TRACE,
+ },
+
+ [PERF_TYPE_SOFTWARE] = {
+ .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,
+
+ .invalid_fields = PERF_OUTPUT_TRACE,
+ },
+
+ [PERF_TYPE_TRACEPOINT] = {
+ .user_set = false,
+
+ .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
+ PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
+ PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE,
+ },
+
+ [PERF_TYPE_RAW] = {
+ .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,
+
+ .invalid_fields = PERF_OUTPUT_TRACE,
+ },
+};
+
+static bool output_set_by_user(void)
+{
+ int j;
+ for (j = 0; j < PERF_TYPE_MAX; ++j) {
+ if (output[j].user_set)
+ return true;
+ }
+ return false;
+}
+
+static const char *output_field2str(enum perf_output_field field)
+{
+ int i, imax = ARRAY_SIZE(all_output_options);
+ const char *str = "";
+
+ for (i = 0; i < imax; ++i) {
+ if (all_output_options[i].field == field) {
+ str = all_output_options[i].str;
+ break;
+ }
+ }
+ return str;
+}
+
+#define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x)
+
+static int perf_event_attr__check_stype(struct perf_event_attr *attr,
+ u64 sample_type, const char *sample_msg,
+ enum perf_output_field field)
+{
+ int type = attr->type;
+ const char *evname;
+
+ if (attr->sample_type & sample_type)
+ return 0;
+
+ if (output[type].user_set) {
+ evname = __event_name(attr->type, attr->config);
+ pr_err("Samples for '%s' event do not have %s attribute set. "
+ "Cannot print '%s' field.\n",
+ evname, sample_msg, output_field2str(field));
+ return -1;
+ }
+
+ /* user did not ask for it explicitly so remove from the default list */
+ output[type].fields &= ~field;
+ evname = __event_name(attr->type, attr->config);
+ pr_debug("Samples for '%s' event do not have %s attribute set. "
+ "Skipping '%s' field.\n",
+ evname, sample_msg, output_field2str(field));
+
+ return 0;
+}
+
+static int perf_evsel__check_attr(struct perf_evsel *evsel,
+ struct perf_session *session)
+{
+ struct perf_event_attr *attr = &evsel->attr;
+
+ if (PRINT_FIELD(TRACE) &&
+ !perf_session__has_traces(session, "record -R"))
+ return -EINVAL;
+
+ if (PRINT_FIELD(IP)) {
+ if (perf_event_attr__check_stype(attr, PERF_SAMPLE_IP, "IP",
+ PERF_OUTPUT_IP))
+ return -EINVAL;
+
+ if (!no_callchain &&
+ !(attr->sample_type & PERF_SAMPLE_CALLCHAIN))
+ symbol_conf.use_callchain = false;
+ }
+
+ if (PRINT_FIELD(ADDR) &&
+ perf_event_attr__check_stype(attr, PERF_SAMPLE_ADDR, "ADDR",
+ PERF_OUTPUT_ADDR))
+ return -EINVAL;
+
+ if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
+ pr_err("Display of symbols requested but neither sample IP nor "
+ "sample address\nis selected. Hence, no addresses to convert "
+ "to symbols.\n");
+ return -EINVAL;
+ }
+ if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
+ pr_err("Display of offsets requested but symbol is not"
+ "selected.\n");
+ return -EINVAL;
+ }
+ if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
+ pr_err("Display of DSO requested but neither sample IP nor "
+ "sample address\nis selected. Hence, no addresses to convert "
+ "to DSO.\n");
+ return -EINVAL;
+ }
+
+ if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
+ perf_event_attr__check_stype(attr, PERF_SAMPLE_TID, "TID",
+ PERF_OUTPUT_TID|PERF_OUTPUT_PID))
+ return -EINVAL;
+
+ if (PRINT_FIELD(TIME) &&
+ perf_event_attr__check_stype(attr, PERF_SAMPLE_TIME, "TIME",
+ PERF_OUTPUT_TIME))
+ return -EINVAL;
+
+ if (PRINT_FIELD(CPU) &&
+ perf_event_attr__check_stype(attr, PERF_SAMPLE_CPU, "CPU",
+ PERF_OUTPUT_CPU))
+ return -EINVAL;
+
+ return 0;
+}
+
+/*
+ * verify all user requested events exist and the samples
+ * have the expected data
+ */
+static int perf_session__check_output_opt(struct perf_session *session)
+{
+ int j;
+ struct perf_evsel *evsel;
+
+ for (j = 0; j < PERF_TYPE_MAX; ++j) {
+ evsel = perf_session__find_first_evtype(session, j);
+
+ /*
+ * even if fields is set to 0 (ie., show nothing) event must
+ * exist if user explicitly includes it on the command line
+ */
+ if (!evsel && output[j].user_set && !output[j].wildcard_set) {
+ pr_err("%s events do not exist. "
+ "Remove corresponding -f option to proceed.\n",
+ event_type(j));
+ return -1;
+ }
+
+ if (evsel && output[j].fields &&
+ perf_evsel__check_attr(evsel, session))
+ return -1;
+ }
+
+ return 0;
+}
+
+static void print_sample_start(struct perf_sample *sample,
+ struct thread *thread,
+ struct perf_event_attr *attr)
+{
+ int type;
+ struct event *event;
+ const char *evname = NULL;
+ unsigned long secs;
+ unsigned long usecs;
+ unsigned long long nsecs;
+
+ if (PRINT_FIELD(COMM)) {
+ if (latency_format)
+ printf("%8.8s ", thread->comm);
+ else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
+ printf("%s ", thread->comm);
+ else
+ printf("%16s ", thread->comm);
+ }
+
+ if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
+ printf("%5d/%-5d ", sample->pid, sample->tid);
+ else if (PRINT_FIELD(PID))
+ printf("%5d ", sample->pid);
+ else if (PRINT_FIELD(TID))
+ printf("%5d ", sample->tid);
+
+ if (PRINT_FIELD(CPU)) {
+ if (latency_format)
+ printf("%3d ", sample->cpu);
+ else
+ printf("[%03d] ", sample->cpu);
+ }
+
+ if (PRINT_FIELD(TIME)) {
+ nsecs = sample->time;
+ secs = nsecs / NSECS_PER_SEC;
+ nsecs -= secs * NSECS_PER_SEC;
+ usecs = nsecs / NSECS_PER_USEC;
+ printf("%5lu.%06lu: ", secs, usecs);
+ }
+
+ if (PRINT_FIELD(EVNAME)) {
+ if (attr->type == PERF_TYPE_TRACEPOINT) {
+ type = trace_parse_common_type(sample->raw_data);
+ event = trace_find_event(type);
+ if (event)
+ evname = event->name;
+ } else
+ evname = __event_name(attr->type, attr->config);
+
+ printf("%s: ", evname ? evname : "[unknown]");
+ }
+}
+
+static bool is_bts_event(struct perf_event_attr *attr)
+{
+ return ((attr->type == PERF_TYPE_HARDWARE) &&
+ (attr->config & PERF_COUNT_HW_BRANCH_INSTRUCTIONS) &&
+ (attr->sample_period == 1));
+}
+
+static bool sample_addr_correlates_sym(struct perf_event_attr *attr)
+{
+ if ((attr->type == PERF_TYPE_SOFTWARE) &&
+ ((attr->config == PERF_COUNT_SW_PAGE_FAULTS) ||
+ (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN) ||
+ (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ)))
+ return true;
+
+ if (is_bts_event(attr))
+ return true;
+
+ return false;
+}
+
+static void print_sample_addr(union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine,
+ struct thread *thread,
+ struct perf_event_attr *attr)
+{
+ struct addr_location al;
+ u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
+
+ printf("%16" PRIx64, sample->addr);
+
+ if (!sample_addr_correlates_sym(attr))
+ return;
+
+ thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
+ sample->addr, &al);
+ if (!al.map)
+ thread__find_addr_map(thread, machine, cpumode, MAP__VARIABLE,
+ sample->addr, &al);
+
+ al.cpu = sample->cpu;
+ al.sym = NULL;
+
+ if (al.map)
+ al.sym = map__find_symbol(al.map, al.addr, NULL);
+
+ if (PRINT_FIELD(SYM)) {
+ printf(" ");
+ if (PRINT_FIELD(SYMOFFSET))
+ symbol__fprintf_symname_offs(al.sym, &al, stdout);
+ else
+ symbol__fprintf_symname(al.sym, stdout);
+ }
+
+ if (PRINT_FIELD(DSO)) {
+ printf(" (");
+ map__fprintf_dsoname(al.map, stdout);
+ printf(")");
+ }
+}
+
+static void print_sample_bts(union perf_event *event,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct machine *machine,
+ struct thread *thread)
+{
+ struct perf_event_attr *attr = &evsel->attr;
+
+ /* print branch_from information */
+ if (PRINT_FIELD(IP)) {
+ if (!symbol_conf.use_callchain)
+ printf(" ");
+ else
+ printf("\n");
+ perf_event__print_ip(event, sample, machine, evsel,
+ PRINT_FIELD(SYM), PRINT_FIELD(DSO),
+ PRINT_FIELD(SYMOFFSET));
+ }
+
+ printf(" => ");
+
+ /* print branch_to information */
+ if (PRINT_FIELD(ADDR))
+ print_sample_addr(event, sample, machine, thread, attr);
+
+ printf("\n");
+}
+
+static void process_event(union perf_event *event __unused,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct machine *machine,
+ struct thread *thread)
+{
+ struct perf_event_attr *attr = &evsel->attr;
+
+ if (output[attr->type].fields == 0)
+ return;
+
+ print_sample_start(sample, thread, attr);
+
+ if (is_bts_event(attr)) {
+ print_sample_bts(event, sample, evsel, machine, thread);
+ return;
+ }
+
+ if (PRINT_FIELD(TRACE))
+ print_trace_event(sample->cpu, sample->raw_data,
+ sample->raw_size);
+
+ if (PRINT_FIELD(ADDR))
+ print_sample_addr(event, sample, machine, thread, attr);
+
+ if (PRINT_FIELD(IP)) {
+ if (!symbol_conf.use_callchain)
+ printf(" ");
+ else
+ printf("\n");
+ perf_event__print_ip(event, sample, machine, evsel,
+ PRINT_FIELD(SYM), PRINT_FIELD(DSO),
+ PRINT_FIELD(SYMOFFSET));
+ }
+
+ printf("\n");
+}
+
+static int default_start_script(const char *script __unused,
+ int argc __unused,
+ const char **argv __unused)
+{
+ return 0;
+}
+
+static int default_stop_script(void)
+{
+ return 0;
+}
+
+static int default_generate_script(const char *outfile __unused)
+{
+ return 0;
+}
+
+static struct scripting_ops default_scripting_ops = {
+ .start_script = default_start_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 cleanup_scripting(void)
+{
+ pr_debug("\nperf script stopped\n");
+
+ return scripting_ops->stop_script();
+}
+
+static const char *input_name;
+
+static int process_sample_event(struct perf_tool *tool __used,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct machine *machine)
+{
+ struct addr_location al;
+ struct thread *thread = machine__findnew_thread(machine, event->ip.tid);
+
+ if (thread == NULL) {
+ pr_debug("problem processing %d event, skipping it.\n",
+ event->header.type);
+ return -1;
+ }
+
+ if (debug_mode) {
+ if (sample->time < last_timestamp) {
+ pr_err("Samples misordered, previous: %" PRIu64
+ " this: %" PRIu64 "\n", last_timestamp,
+ sample->time);
+ nr_unordered++;
+ }
+ last_timestamp = sample->time;
+ return 0;
+ }
+
+ if (perf_event__preprocess_sample(event, machine, &al, sample, 0) < 0) {
+ pr_err("problem processing %d event, skipping it.\n",
+ event->header.type);
+ return -1;
+ }
+
+ if (al.filtered)
+ return 0;
+
+ if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
+ return 0;
+
+ scripting_ops->process_event(event, sample, evsel, machine, thread);
+
+ evsel->hists.stats.total_period += sample->period;
+ return 0;
+}
+
+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)
+{
+ session_done = 1;
+}
+
+static int __cmd_script(struct perf_session *session)
+{
+ int ret;
+
+ signal(SIGINT, sig_handler);
+
+ ret = perf_session__process_events(session, &perf_script);
+
+ if (debug_mode)
+ pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
+
+ return ret;
+}
+
+struct script_spec {
+ struct list_head node;
+ struct scripting_ops *ops;
+ char spec[0];
+};
+
+static LIST_HEAD(script_specs);
+
+static struct script_spec *script_spec__new(const char *spec,
+ struct scripting_ops *ops)
+{
+ struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
+
+ if (s != NULL) {
+ strcpy(s->spec, spec);
+ s->ops = ops;
+ }
+
+ return s;
+}
+
+static void script_spec__add(struct script_spec *s)
+{
+ list_add_tail(&s->node, &script_specs);
+}
+
+static struct script_spec *script_spec__find(const char *spec)
+{
+ struct script_spec *s;
+
+ list_for_each_entry(s, &script_specs, node)
+ if (strcasecmp(s->spec, spec) == 0)
+ return s;
+ return NULL;
+}
+
+static struct script_spec *script_spec__findnew(const char *spec,
+ struct scripting_ops *ops)
+{
+ struct script_spec *s = script_spec__find(spec);
+
+ if (s)
+ return s;
+
+ s = script_spec__new(spec, ops);
+ if (!s)
+ return NULL;
+
+ script_spec__add(s);
+
+ return s;
+}
+
+int script_spec_register(const char *spec, struct scripting_ops *ops)
+{
+ struct script_spec *s;
+
+ s = script_spec__find(spec);
+ if (s)
+ return -1;
+
+ s = script_spec__findnew(spec, ops);
+ if (!s)
+ return -1;
+
+ return 0;
+}
+
+static struct scripting_ops *script_spec__lookup(const char *spec)
+{
+ struct script_spec *s = script_spec__find(spec);
+ if (!s)
+ return NULL;
+
+ return s->ops;
+}
+
+static void list_available_languages(void)
+{
+ struct script_spec *s;
+
+ fprintf(stderr, "\n");
+ fprintf(stderr, "Scripting language extensions (used in "
+ "perf script -s [spec:]script.[spec]):\n\n");
+
+ list_for_each_entry(s, &script_specs, node)
+ fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
+
+ fprintf(stderr, "\n");
+}
+
+static int parse_scriptname(const struct option *opt __used,
+ const char *str, int unset __used)
+{
+ char spec[PATH_MAX];
+ const char *script, *ext;
+ int len;
+
+ if (strcmp(str, "lang") == 0) {
+ list_available_languages();
+ exit(0);
+ }
+
+ script = strchr(str, ':');
+ if (script) {
+ len = script - str;
+ if (len >= PATH_MAX) {
+ fprintf(stderr, "invalid language specifier");
+ return -1;
+ }
+ strncpy(spec, str, len);
+ spec[len] = '\0';
+ scripting_ops = script_spec__lookup(spec);
+ if (!scripting_ops) {
+ fprintf(stderr, "invalid language specifier");
+ return -1;
+ }
+ script++;
+ } else {
+ script = str;
+ ext = strrchr(script, '.');
+ if (!ext) {
+ fprintf(stderr, "invalid script extension");
+ return -1;
+ }
+ scripting_ops = script_spec__lookup(++ext);
+ if (!scripting_ops) {
+ fprintf(stderr, "invalid script extension");
+ return -1;
+ }
+ }
+
+ script_name = strdup(script);
+
+ return 0;
+}
+
+static int parse_output_fields(const struct option *opt __used,
+ const char *arg, int unset __used)
+{
+ char *tok;
+ int i, imax = sizeof(all_output_options) / sizeof(struct output_option);
+ int j;
+ int rc = 0;
+ char *str = strdup(arg);
+ int type = -1;
+
+ if (!str)
+ return -ENOMEM;
+
+ /* first word can state for which event type the user is specifying
+ * the fields. If no type exists, the specified fields apply to all
+ * event types found in the file minus the invalid fields for a type.
+ */
+ tok = strchr(str, ':');
+ if (tok) {
+ *tok = '\0';
+ tok++;
+ if (!strcmp(str, "hw"))
+ type = PERF_TYPE_HARDWARE;
+ else if (!strcmp(str, "sw"))
+ type = PERF_TYPE_SOFTWARE;
+ else if (!strcmp(str, "trace"))
+ type = PERF_TYPE_TRACEPOINT;
+ else if (!strcmp(str, "raw"))
+ type = PERF_TYPE_RAW;
+ else {
+ fprintf(stderr, "Invalid event type in field string.\n");
+ rc = -EINVAL;
+ goto out;
+ }
+
+ if (output[type].user_set)
+ pr_warning("Overriding previous field request for %s events.\n",
+ event_type(type));
+
+ output[type].fields = 0;
+ output[type].user_set = true;
+ output[type].wildcard_set = false;
+
+ } else {
+ tok = str;
+ if (strlen(str) == 0) {
+ fprintf(stderr,
+ "Cannot set fields to 'none' for all event types.\n");
+ rc = -EINVAL;
+ goto out;
+ }
+
+ if (output_set_by_user())
+ pr_warning("Overriding previous field request for all events.\n");
+
+ for (j = 0; j < PERF_TYPE_MAX; ++j) {
+ output[j].fields = 0;
+ output[j].user_set = true;
+ output[j].wildcard_set = true;
+ }
+ }
+
+ tok = strtok(tok, ",");
+ while (tok) {
+ for (i = 0; i < imax; ++i) {
+ if (strcmp(tok, all_output_options[i].str) == 0)
+ break;
+ }
+ if (i == imax) {
+ fprintf(stderr, "Invalid field requested.\n");
+ rc = -EINVAL;
+ goto out;
+ }
+
+ if (type == -1) {
+ /* add user option to all events types for
+ * which it is valid
+ */
+ for (j = 0; j < PERF_TYPE_MAX; ++j) {
+ if (output[j].invalid_fields & all_output_options[i].field) {
+ pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
+ all_output_options[i].str, event_type(j));
+ } else
+ output[j].fields |= all_output_options[i].field;
+ }
+ } else {
+ if (output[type].invalid_fields & all_output_options[i].field) {
+ fprintf(stderr, "\'%s\' not valid for %s events.\n",
+ all_output_options[i].str, event_type(type));
+
+ rc = -EINVAL;
+ goto out;
+ }
+ output[type].fields |= all_output_options[i].field;
+ }
+
+ tok = strtok(NULL, ",");
+ }
+
+ if (type >= 0) {
+ if (output[type].fields == 0) {
+ pr_debug("No fields requested for %s type. "
+ "Events will not be displayed.\n", event_type(type));
+ }
+ }
+
+out:
+ free(str);
+ return rc;
+}
+
+/* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */
+static int is_directory(const char *base_path, const struct dirent *dent)
+{
+ char path[PATH_MAX];
+ struct stat st;
+
+ sprintf(path, "%s/%s", base_path, dent->d_name);
+ if (stat(path, &st))
+ return 0;
+
+ return S_ISDIR(st.st_mode);
+}
+
+#define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\
+ while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \
+ lang_next) \
+ if ((lang_dirent.d_type == DT_DIR || \
+ (lang_dirent.d_type == DT_UNKNOWN && \
+ is_directory(scripts_path, &lang_dirent))) && \
+ (strcmp(lang_dirent.d_name, ".")) && \
+ (strcmp(lang_dirent.d_name, "..")))
+
+#define for_each_script(lang_path, lang_dir, script_dirent, script_next)\
+ while (!readdir_r(lang_dir, &script_dirent, &script_next) && \
+ script_next) \
+ if (script_dirent.d_type != DT_DIR && \
+ (script_dirent.d_type != DT_UNKNOWN || \
+ !is_directory(lang_path, &script_dirent)))
+
+
+#define RECORD_SUFFIX "-record"
+#define REPORT_SUFFIX "-report"
+
+struct script_desc {
+ struct list_head node;
+ char *name;
+ char *half_liner;
+ char *args;
+};
+
+static LIST_HEAD(script_descs);
+
+static struct script_desc *script_desc__new(const char *name)
+{
+ struct script_desc *s = zalloc(sizeof(*s));
+
+ if (s != NULL && name)
+ s->name = strdup(name);
+
+ return s;
+}
+
+static void script_desc__delete(struct script_desc *s)
+{
+ free(s->name);
+ free(s->half_liner);
+ free(s->args);
+ free(s);
+}
+
+static void script_desc__add(struct script_desc *s)
+{
+ list_add_tail(&s->node, &script_descs);
+}
+
+static struct script_desc *script_desc__find(const char *name)
+{
+ struct script_desc *s;
+
+ list_for_each_entry(s, &script_descs, node)
+ if (strcasecmp(s->name, name) == 0)
+ return s;
+ return NULL;
+}
+
+static struct script_desc *script_desc__findnew(const char *name)
+{
+ struct script_desc *s = script_desc__find(name);
+
+ if (s)
+ return s;
+
+ s = script_desc__new(name);
+ if (!s)
+ goto out_delete_desc;
+
+ script_desc__add(s);
+
+ return s;
+
+out_delete_desc:
+ script_desc__delete(s);
+
+ return NULL;
+}
+
+static const char *ends_with(const char *str, const char *suffix)
+{
+ size_t suffix_len = strlen(suffix);
+ const char *p = str;
+
+ if (strlen(str) > suffix_len) {
+ p = str + strlen(str) - suffix_len;
+ if (!strncmp(p, suffix, suffix_len))
+ return p;
+ }
+
+ return NULL;
+}
+
+static char *ltrim(char *str)
+{
+ int len = strlen(str);
+
+ while (len && isspace(*str)) {
+ len--;
+ str++;
+ }
+
+ return str;
+}
+
+static int read_script_info(struct script_desc *desc, const char *filename)
+{
+ char line[BUFSIZ], *p;
+ FILE *fp;
+
+ fp = fopen(filename, "r");
+ if (!fp)
+ return -1;
+
+ while (fgets(line, sizeof(line), fp)) {
+ p = ltrim(line);
+ if (strlen(p) == 0)
+ continue;
+ if (*p != '#')
+ continue;
+ p++;
+ if (strlen(p) && *p == '!')
+ continue;
+
+ p = ltrim(p);
+ if (strlen(p) && p[strlen(p) - 1] == '\n')
+ p[strlen(p) - 1] = '\0';
+
+ if (!strncmp(p, "description:", strlen("description:"))) {
+ p += strlen("description:");
+ desc->half_liner = strdup(ltrim(p));
+ continue;
+ }
+
+ if (!strncmp(p, "args:", strlen("args:"))) {
+ p += strlen("args:");
+ desc->args = strdup(ltrim(p));
+ continue;
+ }
+ }
+
+ fclose(fp);
+
+ return 0;
+}
+
+static char *get_script_root(struct dirent *script_dirent, const char *suffix)
+{
+ char *script_root, *str;
+
+ script_root = strdup(script_dirent->d_name);
+ if (!script_root)
+ return NULL;
+
+ str = (char *)ends_with(script_root, suffix);
+ if (!str) {
+ free(script_root);
+ return NULL;
+ }
+
+ *str = '\0';
+ return script_root;
+}
+
+static int list_available_scripts(const struct option *opt __used,
+ const char *s __used, int unset __used)
+{
+ struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
+ char scripts_path[MAXPATHLEN];
+ DIR *scripts_dir, *lang_dir;
+ char script_path[MAXPATHLEN];
+ char lang_path[MAXPATHLEN];
+ struct script_desc *desc;
+ char first_half[BUFSIZ];
+ char *script_root;
+
+ 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/bin", scripts_path,
+ lang_dirent.d_name);
+ lang_dir = opendir(lang_path);
+ if (!lang_dir)
+ continue;
+
+ for_each_script(lang_path, lang_dir, script_dirent, script_next) {
+ script_root = get_script_root(&script_dirent, REPORT_SUFFIX);
+ if (script_root) {
+ desc = script_desc__findnew(script_root);
+ snprintf(script_path, MAXPATHLEN, "%s/%s",
+ lang_path, script_dirent.d_name);
+ read_script_info(desc, script_path);
+ free(script_root);
+ }
+ }
+ }
+
+ fprintf(stdout, "List of available trace scripts:\n");
+ list_for_each_entry(desc, &script_descs, node) {
+ sprintf(first_half, "%s %s", desc->name,
+ desc->args ? desc->args : "");
+ fprintf(stdout, " %-36s %s\n", first_half,
+ desc->half_liner ? desc->half_liner : "");
+ }
+
+ exit(0);
+}
+
+static char *get_script_path(const char *script_root, const char *suffix)
+{
+ struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
+ char scripts_path[MAXPATHLEN];
+ char script_path[MAXPATHLEN];
+ DIR *scripts_dir, *lang_dir;
+ char lang_path[MAXPATHLEN];
+ char *__script_root;
+
+ snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
+
+ scripts_dir = opendir(scripts_path);
+ if (!scripts_dir)
+ return NULL;
+
+ for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
+ snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
+ lang_dirent.d_name);
+ lang_dir = opendir(lang_path);
+ if (!lang_dir)
+ continue;
+
+ for_each_script(lang_path, lang_dir, script_dirent, script_next) {
+ __script_root = get_script_root(&script_dirent, suffix);
+ if (__script_root && !strcmp(script_root, __script_root)) {
+ free(__script_root);
+ closedir(lang_dir);
+ closedir(scripts_dir);
+ snprintf(script_path, MAXPATHLEN, "%s/%s",
+ lang_path, script_dirent.d_name);
+ return strdup(script_path);
+ }
+ free(__script_root);
+ }
+ closedir(lang_dir);
+ }
+ closedir(scripts_dir);
+
+ return NULL;
+}
+
+static bool is_top_script(const char *script_path)
+{
+ return ends_with(script_path, "top") == NULL ? false : true;
+}
+
+static int has_required_arg(char *script_path)
+{
+ struct script_desc *desc;
+ int n_args = 0;
+ char *p;
+
+ desc = script_desc__new(NULL);
+
+ if (read_script_info(desc, script_path))
+ goto out;
+
+ if (!desc->args)
+ goto out;
+
+ for (p = desc->args; *p; p++)
+ if (*p == '<')
+ n_args++;
+out:
+ script_desc__delete(desc);
+
+ return n_args;
+}
+
+static const char * const script_usage[] = {
+ "perf script [<options>]",
+ "perf script [<options>] record <script> [<record-options>] <command>",
+ "perf script [<options>] report <script> [script-args]",
+ "perf script [<options>] <script> [<record-options>] <command>",
+ "perf script [<options>] <top-script> [script-args]",
+ NULL
+};
+
+static const struct option options[] = {
+ OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
+ "dump raw trace in ASCII"),
+ OPT_INCR('v', "verbose", &verbose,
+ "be more verbose (show symbol address, etc)"),
+ OPT_BOOLEAN('L', "Latency", &latency_format,
+ "show latency attributes (irqs/preemption disabled, etc)"),
+ OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
+ list_available_scripts),
+ OPT_CALLBACK('s', "script", NULL, "name",
+ "script file name (lang:script name, script name, or *)",
+ parse_scriptname),
+ OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
+ "generate perf-script.xx script in specified language"),
+ OPT_STRING('i', "input", &input_name, "file",
+ "input file name"),
+ OPT_BOOLEAN('d', "debug-mode", &debug_mode,
+ "do various checks like samples ordering and lost events"),
+ OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
+ "file", "vmlinux pathname"),
+ OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
+ "file", "kallsyms pathname"),
+ OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
+ "When printing symbols do not display call chain"),
+ OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
+ "Look for files with symbols relative to this directory"),
+ OPT_CALLBACK('f', "fields", NULL, "str",
+ "comma separated output fields prepend with 'type:'. "
+ "Valid types: hw,sw,trace,raw. "
+ "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
+ "addr,symoff",
+ parse_output_fields),
+ OPT_BOOLEAN('a', "all-cpus", &system_wide,
+ "system-wide collection from all CPUs"),
+ 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"),
+ OPT_BOOLEAN('I', "show-info", &show_full_info,
+ "display extended information from perf.data file"),
+ OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
+ "Show the path of [kernel.kallsyms]"),
+
+ OPT_END()
+};
+
+static bool have_cmd(int argc, const char **argv)
+{
+ char **__argv = malloc(sizeof(const char *) * argc);
+
+ if (!__argv)
+ die("malloc");
+ 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;
+}
+
+int cmd_script(int argc, const char **argv, const char *prefix __used)
+{
+ char *rec_script_path = NULL;
+ char *rep_script_path = NULL;
+ struct perf_session *session;
+ char *script_path = NULL;
+ const char **__argv;
+ int i, j, err;
+
+ setup_scripting();
+
+ argc = parse_options(argc, argv, options, script_usage,
+ PARSE_OPT_STOP_AT_NON_OPTION);
+
+ if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
+ rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
+ if (!rec_script_path)
+ return cmd_record(argc, argv, NULL);
+ }
+
+ if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
+ rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
+ if (!rep_script_path) {
+ fprintf(stderr,
+ "Please specify a valid report script"
+ "(see 'perf script -l' for listing)\n");
+ return -1;
+ }
+ }
+
+ /* make sure PERF_EXEC_PATH is set for scripts */
+ perf_set_argv_exec_path(perf_exec_path());
+
+ if (argc && !script_name && !rec_script_path && !rep_script_path) {
+ int live_pipe[2];
+ int rep_args;
+ pid_t pid;
+
+ rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
+ rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
+
+ if (!rec_script_path && !rep_script_path) {
+ fprintf(stderr, " Couldn't find script %s\n\n See perf"
+ " script -l for available scripts.\n", argv[0]);
+ usage_with_options(script_usage, options);
+ }
+
+ if (is_top_script(argv[0])) {
+ rep_args = argc - 1;
+ } else {
+ int rec_args;
+
+ rep_args = has_required_arg(rep_script_path);
+ rec_args = (argc - 1) - rep_args;
+ if (rec_args < 0) {
+ fprintf(stderr, " %s script requires options."
+ "\n\n See perf script -l for available "
+ "scripts and options.\n", argv[0]);
+ usage_with_options(script_usage, options);
+ }
+ }
+
+ if (pipe(live_pipe) < 0) {
+ perror("failed to create pipe");
+ exit(-1);
+ }
+
+ pid = fork();
+ if (pid < 0) {
+ perror("failed to fork");
+ exit(-1);
+ }
+
+ if (!pid) {
+ j = 0;
+
+ dup2(live_pipe[1], 1);
+ close(live_pipe[0]);
+
+ if (is_top_script(argv[0])) {
+ system_wide = true;
+ } else if (!system_wide) {
+ system_wide = !have_cmd(argc - rep_args,
+ &argv[rep_args]);
+ }
+
+ __argv = malloc((argc + 6) * sizeof(const char *));
+ if (!__argv)
+ die("malloc");
+
+ __argv[j++] = "/bin/sh";
+ __argv[j++] = rec_script_path;
+ if (system_wide)
+ __argv[j++] = "-a";
+ __argv[j++] = "-q";
+ __argv[j++] = "-o";
+ __argv[j++] = "-";
+ for (i = rep_args + 1; i < argc; i++)
+ __argv[j++] = argv[i];
+ __argv[j++] = NULL;
+
+ execvp("/bin/sh", (char **)__argv);
+ free(__argv);
+ exit(-1);
+ }
+
+ dup2(live_pipe[0], 0);
+ close(live_pipe[1]);
+
+ __argv = malloc((argc + 4) * sizeof(const char *));
+ if (!__argv)
+ die("malloc");
+ j = 0;
+ __argv[j++] = "/bin/sh";
+ __argv[j++] = rep_script_path;
+ for (i = 1; i < rep_args + 1; i++)
+ __argv[j++] = argv[i];
+ __argv[j++] = "-i";
+ __argv[j++] = "-";
+ __argv[j++] = NULL;
+
+ execvp("/bin/sh", (char **)__argv);
+ free(__argv);
+ exit(-1);
+ }
+
+ if (rec_script_path)
+ script_path = rec_script_path;
+ if (rep_script_path)
+ script_path = rep_script_path;
+
+ if (script_path) {
+ j = 0;
+
+ if (!rec_script_path)
+ system_wide = false;
+ else if (!system_wide)
+ system_wide = !have_cmd(argc - 1, &argv[1]);
+
+ __argv = malloc((argc + 2) * sizeof(const char *));
+ if (!__argv)
+ die("malloc");
+ __argv[j++] = "/bin/sh";
+ __argv[j++] = script_path;
+ if (system_wide)
+ __argv[j++] = "-a";
+ for (i = 2; i < argc; i++)
+ __argv[j++] = argv[i];
+ __argv[j++] = NULL;
+
+ execvp("/bin/sh", (char **)__argv);
+ free(__argv);
+ exit(-1);
+ }
+
+ if (symbol__init() < 0)
+ return -1;
+ if (!script_name)
+ setup_pager();
+
+ session = perf_session__new(input_name, O_RDONLY, 0, false, &perf_script);
+ if (session == NULL)
+ return -ENOMEM;
+
+ if (cpu_list) {
+ if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap))
+ return -1;
+ }
+
+ perf_session__fprintf_info(session, stdout, show_full_info);
+
+ if (!no_callchain)
+ symbol_conf.use_callchain = true;
+ else
+ symbol_conf.use_callchain = false;
+
+ if (generate_script_lang) {
+ struct stat perf_stat;
+ int input;
+
+ if (output_set_by_user()) {
+ fprintf(stderr,
+ "custom fields not supported for generated scripts");
+ return -1;
+ }
+
+ input = open(session->filename, O_RDONLY); /* input_name */
+ if (input < 0) {
+ perror("failed to open file");
+ exit(-1);
+ }
+
+ err = fstat(input, &perf_stat);
+ if (err < 0) {
+ perror("failed to stat file");
+ exit(-1);
+ }
+
+ if (!perf_stat.st_size) {
+ fprintf(stderr, "zero-sized file, nothing to do!\n");
+ exit(0);
+ }
+
+ scripting_ops = script_spec__lookup(generate_script_lang);
+ if (!scripting_ops) {
+ fprintf(stderr, "invalid language specifier");
+ return -1;
+ }
+
+ err = scripting_ops->generate_script("perf-script");
+ goto out;
+ }
+
+ if (script_name) {
+ err = scripting_ops->start_script(script_name, argc, argv);
+ if (err)
+ goto out;
+ pr_debug("perf script started with script %s\n\n", script_name);
+ }
+
+
+ err = perf_session__check_output_opt(session);
+ if (err < 0)
+ goto out;
+
+ err = __cmd_script(session);
+
+ perf_session__delete(session);
+ cleanup_scripting();
+out:
+ return err;
+}