diff options
| -rw-r--r-- | tools/perf/builtin-lock.c | 210 |
1 files changed, 82 insertions, 128 deletions
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 2b5f88754c26..fb9ab2ad3f92 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -32,37 +32,37 @@ static struct list_head lockhash_table[LOCKHASH_SIZE]; #define __lockhashfn(key) hash_long((unsigned long)key, LOCKHASH_BITS) #define lockhashentry(key) (lockhash_table + __lockhashfn((key))) -#define LOCK_STATE_UNLOCKED 0 /* initial state */ -#define LOCK_STATE_LOCKED 1 +#define LOCK_STATE_UNLOCKED 0 /* initial state */ +#define LOCK_STATE_LOCKED 1 struct lock_stat { - struct list_head hash_entry; - struct rb_node rb; /* used for sorting */ + struct list_head hash_entry; + struct rb_node rb; /* used for sorting */ - /* FIXME: raw_field_value() returns unsigned long long, + /* + * FIXME: raw_field_value() returns unsigned long long, * so address of lockdep_map should be dealed as 64bit. - * Is there more better solution? */ - void *addr; /* address of lockdep_map, used as ID */ - char *name; /* for strcpy(), we cannot use const */ - char *file; - unsigned int line; + * Is there more better solution? + */ + void *addr; /* address of lockdep_map, used as ID */ + char *name; /* for strcpy(), we cannot use const */ - int state; - u64 prev_event_time; /* timestamp of previous event */ + int state; + u64 prev_event_time; /* timestamp of previous event */ - unsigned int nr_acquired; - unsigned int nr_acquire; - unsigned int nr_contended; - unsigned int nr_release; + unsigned int nr_acquired; + unsigned int nr_acquire; + unsigned int nr_contended; + unsigned int nr_release; /* these times are in nano sec. */ - u64 wait_time_total; - u64 wait_time_min; - u64 wait_time_max; + u64 wait_time_total; + u64 wait_time_min; + u64 wait_time_max; }; /* build simple key function one is bigger than two */ -#define SINGLE_KEY(member) \ +#define SINGLE_KEY(member) \ static int lock_stat_key_ ## member(struct lock_stat *one, \ struct lock_stat *two) \ { \ @@ -81,12 +81,15 @@ struct lock_key { * this should be simpler than raw name of member * e.g. nr_acquired -> acquired, wait_time_total -> wait_total */ - const char *name; - int (*key)(struct lock_stat*, struct lock_stat*); + const char *name; + int (*key)(struct lock_stat*, struct lock_stat*); }; -static const char *sort_key = "acquired"; -static int (*compare)(struct lock_stat *, struct lock_stat *); +static const char *sort_key = "acquired"; + +static int (*compare)(struct lock_stat *, struct lock_stat *); + +static struct rb_root result; /* place to store sorted data */ #define DEF_KEY_LOCK(name, fn_suffix) \ { #name, lock_stat_key_ ## fn_suffix } @@ -116,11 +119,8 @@ static void select_key(void) die("Unknown compare key:%s\n", sort_key); } -static struct rb_root result; /* place to store sorted data */ - static void insert_to_result(struct lock_stat *st, - int (*bigger)(struct lock_stat *, - struct lock_stat *)) + int (*bigger)(struct lock_stat *, struct lock_stat *)) { struct rb_node **rb = &result.rb_node; struct rb_node *parent = NULL; @@ -155,8 +155,7 @@ static struct lock_stat *pop_from_result(void) return container_of(node, struct lock_stat, rb); } -static struct lock_stat *lock_stat_findnew(void *addr, const char *name, - const char *file, unsigned int line) +static struct lock_stat *lock_stat_findnew(void *addr, const char *name) { struct list_head *entry = lockhashentry(addr); struct lock_stat *ret, *new; @@ -175,11 +174,6 @@ static struct lock_stat *lock_stat_findnew(void *addr, const char *name, if (!new->name) goto alloc_failed; strcpy(new->name, name); - new->file = zalloc(sizeof(char) * strlen(file) + 1); - if (!new->file) - goto alloc_failed; - strcpy(new->file, file); - new->line = line; /* LOCK_STATE_UNLOCKED == 0 isn't guaranteed forever */ new->state = LOCK_STATE_UNLOCKED; @@ -197,36 +191,28 @@ static char const *input_name = "perf.data"; static int profile_cpu = -1; struct raw_event_sample { - u32 size; - char data[0]; + u32 size; + char data[0]; }; struct trace_acquire_event { - void *addr; - const char *name; - const char *file; - unsigned int line; + void *addr; + const char *name; }; struct trace_acquired_event { - void *addr; - const char *name; - const char *file; - unsigned int line; + void *addr; + const char *name; }; struct trace_contended_event { - void *addr; - const char *name; - const char *file; - unsigned int line; + void *addr; + const char *name; }; struct trace_release_event { - void *addr; - const char *name; - const char *file; - unsigned int line; + void *addr; + const char *name; }; struct trace_lock_handler { @@ -255,7 +241,8 @@ struct trace_lock_handler { struct thread *thread); }; -static void prof_lock_acquire_event(struct trace_acquire_event *acquire_event, +static void +report_lock_acquire_event(struct trace_acquire_event *acquire_event, struct event *__event __used, int cpu __used, u64 timestamp, @@ -263,8 +250,7 @@ static void prof_lock_acquire_event(struct trace_acquire_event *acquire_event, { struct lock_stat *st; - st = lock_stat_findnew(acquire_event->addr, acquire_event->name, - acquire_event->file, acquire_event->line); + st = lock_stat_findnew(acquire_event->addr, acquire_event->name); switch (st->state) { case LOCK_STATE_UNLOCKED: @@ -279,7 +265,8 @@ static void prof_lock_acquire_event(struct trace_acquire_event *acquire_event, st->prev_event_time = timestamp; } -static void prof_lock_acquired_event(struct trace_acquired_event *acquired_event, +static void +report_lock_acquired_event(struct trace_acquired_event *acquired_event, struct event *__event __used, int cpu __used, u64 timestamp, @@ -287,8 +274,7 @@ static void prof_lock_acquired_event(struct trace_acquired_event *acquired_event { struct lock_stat *st; - st = lock_stat_findnew(acquired_event->addr, acquired_event->name, - acquired_event->file, acquired_event->line); + st = lock_stat_findnew(acquired_event->addr, acquired_event->name); switch (st->state) { case LOCK_STATE_UNLOCKED: @@ -305,7 +291,8 @@ static void prof_lock_acquired_event(struct trace_acquired_event *acquired_event st->prev_event_time = timestamp; } -static void prof_lock_contended_event(struct trace_contended_event *contended_event, +static void +report_lock_contended_event(struct trace_contended_event *contended_event, struct event *__event __used, int cpu __used, u64 timestamp, @@ -313,8 +300,7 @@ static void prof_lock_contended_event(struct trace_contended_event *contended_ev { struct lock_stat *st; - st = lock_stat_findnew(contended_event->addr, contended_event->name, - contended_event->file, contended_event->line); + st = lock_stat_findnew(contended_event->addr, contended_event->name); switch (st->state) { case LOCK_STATE_UNLOCKED: @@ -330,7 +316,8 @@ static void prof_lock_contended_event(struct trace_contended_event *contended_ev st->prev_event_time = timestamp; } -static void prof_lock_release_event(struct trace_release_event *release_event, +static void +report_lock_release_event(struct trace_release_event *release_event, struct event *__event __used, int cpu __used, u64 timestamp, @@ -339,8 +326,7 @@ static void prof_lock_release_event(struct trace_release_event *release_event, struct lock_stat *st; u64 hold_time; - st = lock_stat_findnew(release_event->addr, release_event->name, - release_event->file, release_event->line); + st = lock_stat_findnew(release_event->addr, release_event->name); switch (st->state) { case LOCK_STATE_UNLOCKED: @@ -373,11 +359,11 @@ end: /* lock oriented handlers */ /* TODO: handlers for CPU oriented, thread oriented */ -static struct trace_lock_handler prof_lock_ops = { - .acquire_event = prof_lock_acquire_event, - .acquired_event = prof_lock_acquired_event, - .contended_event = prof_lock_contended_event, - .release_event = prof_lock_release_event, +static struct trace_lock_handler report_lock_ops = { + .acquire_event = report_lock_acquire_event, + .acquired_event = report_lock_acquired_event, + .contended_event = report_lock_contended_event, + .release_event = report_lock_release_event, }; static struct trace_lock_handler *trace_handler; @@ -395,14 +381,9 @@ process_lock_acquire_event(void *data, tmp = raw_field_value(event, "lockdep_addr", data); memcpy(&acquire_event.addr, &tmp, sizeof(void *)); acquire_event.name = (char *)raw_field_ptr(event, "name", data); - acquire_event.file = (char *)raw_field_ptr(event, "file", data); - acquire_event.line = - (unsigned int)raw_field_value(event, "line", data); - if (trace_handler->acquire_event) { - trace_handler->acquire_event(&acquire_event, - event, cpu, timestamp, thread); - } + if (trace_handler->acquire_event) + trace_handler->acquire_event(&acquire_event, event, cpu, timestamp, thread); } static void @@ -418,14 +399,9 @@ process_lock_acquired_event(void *data, tmp = raw_field_value(event, "lockdep_addr", data); memcpy(&acquired_event.addr, &tmp, sizeof(void *)); acquired_event.name = (char *)raw_field_ptr(event, "name", data); - acquired_event.file = (char *)raw_field_ptr(event, "file", data); - acquired_event.line = - (unsigned int)raw_field_value(event, "line", data); - if (trace_handler->acquire_event) { - trace_handler->acquired_event(&acquired_event, - event, cpu, timestamp, thread); - } + if (trace_handler->acquire_event) + trace_handler->acquired_event(&acquired_event, event, cpu, timestamp, thread); } static void @@ -441,14 +417,9 @@ process_lock_contended_event(void *data, tmp = raw_field_value(event, "lockdep_addr", data); memcpy(&contended_event.addr, &tmp, sizeof(void *)); contended_event.name = (char *)raw_field_ptr(event, "name", data); - contended_event.file = (char *)raw_field_ptr(event, "file", data); - contended_event.line = - (unsigned int)raw_field_value(event, "line", data); - if (trace_handler->acquire_event) { - trace_handler->contended_event(&contended_event, - event, cpu, timestamp, thread); - } + if (trace_handler->acquire_event) + trace_handler->contended_event(&contended_event, event, cpu, timestamp, thread); } static void @@ -464,14 +435,9 @@ process_lock_release_event(void *data, tmp = raw_field_value(event, "lockdep_addr", data); memcpy(&release_event.addr, &tmp, sizeof(void *)); release_event.name = (char *)raw_field_ptr(event, "name", data); - release_event.file = (char *)raw_field_ptr(event, "file", data); - release_event.line = - (unsigned int)raw_field_value(event, "line", data); - if (trace_handler->acquire_event) { - trace_handler->release_event(&release_event, - event, cpu, timestamp, thread); - } + if (trace_handler->acquire_event) + trace_handler->release_event(&release_event, event, cpu, timestamp, thread); } static void @@ -503,14 +469,6 @@ static int process_sample_event(event_t *event, struct perf_session *session) event__parse_sample(event, session->sample_type, &data); thread = perf_session__findnew(session, data.pid); - /* - * FIXME: this causes warn on 32bit environment - * because of (void *)data.ip (type of data.ip is u64) - */ -/* dump_printf("(IP, %d): %d/%d: %p period: %llu\n", */ -/* event->header.misc, */ -/* data.pid, data.tid, (void *)data.ip, data.period); */ - if (thread == NULL) { pr_debug("problem processing %d event, skipping it.\n", event->header.type); @@ -580,15 +538,14 @@ static void dump_map(void) for (i = 0; i < LOCKHASH_SIZE; i++) { list_for_each_entry(st, &lockhash_table[i], hash_entry) { - printf("%p: %s (src: %s, line: %u)\n", - st->addr, st->name, st->file, st->line); + printf("%p: %s\n", st->addr, st->name); } } } static struct perf_event_ops eops = { - .sample = process_sample_event, - .comm = event__process_comm, + .sample = process_sample_event, + .comm = event__process_comm, }; static struct perf_session *session; @@ -614,7 +571,7 @@ static void sort_result(void) } } -static void __cmd_prof(void) +static void __cmd_report(void) { setup_pager(); select_key(); @@ -623,12 +580,12 @@ static void __cmd_prof(void) print_result(); } -static const char * const prof_usage[] = { - "perf sched prof [<options>]", +static const char * const report_usage[] = { + "perf lock report [<options>]", NULL }; -static const struct option prof_options[] = { +static const struct option report_options[] = { OPT_STRING('k', "key", &sort_key, "acquired", "key for sorting"), /* TODO: type */ @@ -636,17 +593,14 @@ static const struct option prof_options[] = { }; static const char * const lock_usage[] = { - "perf lock [<options>] {record|trace|prof}", + "perf lock [<options>] {record|trace|report}", NULL }; static const struct option lock_options[] = { - OPT_STRING('i', "input", &input_name, "file", - "input file name"), - OPT_BOOLEAN('v', "verbose", &verbose, - "be more verbose (show symbol address, etc)"), - OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, - "dump raw trace in ASCII"), + OPT_STRING('i', "input", &input_name, "file", "input file name"), + OPT_BOOLEAN('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), + OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), OPT_END() }; @@ -698,21 +652,21 @@ int cmd_lock(int argc, const char **argv, const char *prefix __used) if (!strncmp(argv[0], "rec", 3)) { return __cmd_record(argc, argv); - } else if (!strncmp(argv[0], "prof", 4)) { - trace_handler = &prof_lock_ops; + } else if (!strncmp(argv[0], "report", 6)) { + trace_handler = &report_lock_ops; if (argc) { argc = parse_options(argc, argv, - prof_options, prof_usage, 0); + report_options, report_usage, 0); if (argc) - usage_with_options(prof_usage, prof_options); + usage_with_options(report_usage, report_options); } - __cmd_prof(); + __cmd_report(); } else if (!strcmp(argv[0], "trace")) { /* Aliased to 'perf trace' */ return cmd_trace(argc, argv, prefix); } else if (!strcmp(argv[0], "map")) { - /* recycling prof_lock_ops */ - trace_handler = &prof_lock_ops; + /* recycling report_lock_ops */ + trace_handler = &report_lock_ops; setup_pager(); read_events(); dump_map(); |