1 files changed, 277 insertions, 23 deletions

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 5f40df635dc..9f5fc549214 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -12,6 +12,8 @@
 #include "util/trace-event.h"
 #include "util/parse-options.h"
 #include "util/util.h"
+#include "util/evlist.h"
+#include "util/evsel.h"
 
 static char const               *script_name;
 static char const               *generate_script_lang;
@@ -19,6 +21,183 @@ static bool			debug_mode;
 static u64                      last_timestamp;
 static u64                      nr_unordered;
 extern const struct option      record_options[];
+static bool                     no_callchain;
+
+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_SYM             = 1U << 7,
+};
+
+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 = "sym",   .field = PERF_OUTPUT_SYM},
+};
+
+/* default set to maintain compatibility with current format */
+static u64 output_fields[PERF_TYPE_MAX] = {
+        [PERF_TYPE_HARDWARE] = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | \
+                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | \
+                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM,
+
+        [PERF_TYPE_SOFTWARE] = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | \
+                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | \
+                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM,
+
+        [PERF_TYPE_TRACEPOINT] = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | \
+                                 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | \
+                                 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE,
+};
+
+static bool output_set_by_user;
+
+#define PRINT_FIELD(x)  (output_fields[attr->type] & PERF_OUTPUT_##x)
+
+static int perf_session__check_attr(struct perf_session *session,
+                                    struct perf_event_attr *attr)
+{
+        if (PRINT_FIELD(TRACE) &&
+                !perf_session__has_traces(session, "record -R"))
+                return -EINVAL;
+
+        if (PRINT_FIELD(SYM)) {
+                if (!(session->sample_type & PERF_SAMPLE_IP)) {
+                        pr_err("Samples do not contain IP data.\n");
+                        return -EINVAL;
+                }
+                if (!no_callchain &&
+                    !(session->sample_type & PERF_SAMPLE_CALLCHAIN))
+                        symbol_conf.use_callchain = false;
+        }
+
+        if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
+                !(session->sample_type & PERF_SAMPLE_TID)) {
+                pr_err("Samples do not contain TID/PID data.\n");
+                return -EINVAL;
+        }
+
+        if (PRINT_FIELD(TIME) &&
+                !(session->sample_type & PERF_SAMPLE_TIME)) {
+                pr_err("Samples do not contain timestamps.\n");
+                return -EINVAL;
+        }
+
+        if (PRINT_FIELD(CPU) &&
+                !(session->sample_type & PERF_SAMPLE_CPU)) {
+                pr_err("Samples do not contain cpu.\n");
+                return -EINVAL;
+        }
+
+        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(SYM) && 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 void process_event(union perf_event *event __unused,
+                          struct perf_sample *sample,
+                          struct perf_session *session,
+                          struct thread *thread)
+{
+        struct perf_event_attr *attr;
+        struct perf_evsel *evsel;
+
+        evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+        if (evsel == NULL) {
+                pr_err("Invalid data. Contains samples with id not in "
+                       "its header!\n");
+                return;
+        }
+        attr = &evsel->attr;
+
+        if (output_fields[attr->type] == 0)
+                return;
+
+        if (perf_session__check_attr(session, attr) < 0)
+                return;
+
+        print_sample_start(sample, thread, attr);
+
+        if (PRINT_FIELD(TRACE))
+                print_trace_event(sample->cpu, sample->raw_data,
+                                  sample->raw_size);
+
+        if (PRINT_FIELD(SYM)) {
+                if (!symbol_conf.use_callchain)
+                        printf(" ");
+                else
+                        printf("\n");
+                perf_session__print_symbols(event, sample, session);
+        }
+
+        printf("\n");
+}
 
 static int default_start_script(const char *script __unused,
                                 int argc __unused,
@@ -40,7 +219,7 @@ static int default_generate_script(const char *outfile __unused)
 static struct scripting_ops default_scripting_ops = {
         .start_script           = default_start_script,
         .stop_script            = default_stop_script,
-        .process_event          = print_event,
+        .process_event          = process_event,
         .generate_script        = default_generate_script,
 };
 
@@ -75,26 +254,17 @@ static int process_sample_event(union perf_event *event,
                 return -1;
         }
 
-        if (session->sample_type & PERF_SAMPLE_RAW) {
-                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 (debug_mode) {
+                if (sample->time < last_timestamp) {
+                        pr_err("Samples misordered, previous: %" PRIu64
+                                " this: %" PRIu64 "\n", last_timestamp,
+                                sample->time);
+                        nr_unordered++;
                 }
-                /*
-                 * FIXME: better resolve from pid from the struct trace_entry
-                 * field, although it should be the same than this perf
-                 * event pid
-                 */
-                scripting_ops->process_event(sample->cpu, sample->raw_data,
-                                             sample->raw_size,
-                                             sample->time, thread->comm);
+                last_timestamp = sample->time;
+                return 0;
         }
+        scripting_ops->process_event(event, sample, session, thread);
 
         session->hists.stats.total_period += sample->period;
         return 0;
@@ -102,7 +272,10 @@ static int process_sample_event(union perf_event *event,
 
 static struct perf_event_ops event_ops = {
         .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,
@@ -280,6 +453,68 @@ 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)
+{
+        char *tok;
+        int i, imax = sizeof(all_output_options) / sizeof(struct output_option);
+        int rc = 0;
+        char *str = strdup(arg);
+        int type = -1;
+
+        if (!str)
+                return -ENOMEM;
+
+        tok = strtok(str, ":");
+        if (!tok) {
+                fprintf(stderr,
+                        "Invalid field string - not prepended with type.");
+                return -EINVAL;
+        }
+
+        /* first word should state which event type user
+         * is specifying the fields
+         */
+        if (!strcmp(tok, "hw"))
+                type = PERF_TYPE_HARDWARE;
+        else if (!strcmp(tok, "sw"))
+                type = PERF_TYPE_SOFTWARE;
+        else if (!strcmp(tok, "trace"))
+                type = PERF_TYPE_TRACEPOINT;
+        else {
+                fprintf(stderr, "Invalid event type in field string.");
+                return -EINVAL;
+        }
+
+        output_fields[type] = 0;
+        while (1) {
+                tok = strtok(NULL, ",");
+                if (!tok)
+                        break;
+                for (i = 0; i < imax; ++i) {
+                        if (strcmp(tok, all_output_options[i].str) == 0) {
+                                output_fields[type] |= all_output_options[i].field;
+                                break;
+                        }
+                }
+                if (i == imax) {
+                        fprintf(stderr, "Invalid field requested.");
+                        rc = -EINVAL;
+                        break;
+                }
+        }
+
+        if (output_fields[type] == 0) {
+                pr_debug("No fields requested for %s type. "
+                         "Events will not be displayed\n", event_type(type));
+        }
+
+        output_set_by_user = true;
+
+        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)
 {
@@ -592,6 +827,17 @@ static const struct option options[] = {
                     "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. Fields: comm,tid,pid,time,cpu,event,trace,sym",
+                     parse_output_fields),
 
         OPT_END()
 };
@@ -772,14 +1018,22 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
         if (session == NULL)
                 return -ENOMEM;
 
-        if (strcmp(input_name, "-") &&
-            !perf_session__has_traces(session, "record -R"))
-                return -EINVAL;
+        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;
+                }
 
-                int input = open(input_name, O_RDONLY);
+                input = open(input_name, O_RDONLY);
                 if (input < 0) {
                         perror("failed to open file");
                         exit(-1);