diff options
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 1 | ||||
| -rw-r--r-- | tools/perf/util/hist.h | 1 | ||||
| -rw-r--r-- | tools/perf/util/sort.c | 38 | ||||
| -rw-r--r-- | tools/perf/util/sort.h | 1 |
4 files changed, 41 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 3376c4710575..acef3ff4178e 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -94,6 +94,7 @@ OPTIONS - comm: command (name) of the task which can be read via /proc/<pid>/comm - pid: command and tid of the task + - tgid: command and tgid of the task - dso: name of library or module executed at the time of sample - dso_size: size of library or module executed at the time of sample - symbol: name of function executed at the time of sample diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 355198fd7028..c64254088fc7 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -42,6 +42,7 @@ enum hist_column { HISTC_TIME, HISTC_DSO, HISTC_THREAD, + HISTC_TGID, HISTC_COMM, HISTC_CGROUP_ID, HISTC_CGROUP, diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 8efafa7c1082..45e654653960 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -141,6 +141,43 @@ struct sort_entry sort_thread = { .se_width_idx = HISTC_THREAD, }; +/* --sort tgid */ + +static int64_t +sort__tgid_cmp(struct hist_entry *left, struct hist_entry *right) +{ + return thread__pid(right->thread) - thread__pid(left->thread); +} + +static int hist_entry__tgid_snprintf(struct hist_entry *he, char *bf, + size_t size, unsigned int width) +{ + int tgid = thread__pid(he->thread); + const char *comm = NULL; + + /* display comm of the thread-group leader */ + if (thread__pid(he->thread) == thread__tid(he->thread)) { + comm = thread__comm_str(he->thread); + } else { + struct maps *maps = thread__maps(he->thread); + struct thread *leader = machine__find_thread(maps__machine(maps), + tgid, tgid); + if (leader) { + comm = thread__comm_str(leader); + thread__put(leader); + } + } + width = max(7U, width) - 8; + return repsep_snprintf(bf, size, "%7d:%-*.*s", tgid, width, width, comm ?: ""); +} + +struct sort_entry sort_tgid = { + .se_header = " Tgid:Command", + .se_cmp = sort__tgid_cmp, + .se_snprintf = hist_entry__tgid_snprintf, + .se_width_idx = HISTC_TGID, +}; + /* --sort simd */ static int64_t @@ -2508,6 +2545,7 @@ static void sort_dimension_add_dynamic_header(struct sort_dimension *sd) static struct sort_dimension common_sort_dimensions[] = { DIM(SORT_PID, "pid", sort_thread), + DIM(SORT_TGID, "tgid", sort_tgid), DIM(SORT_COMM, "comm", sort_comm), DIM(SORT_DSO, "dso", sort_dso), DIM(SORT_SYM, "symbol", sort_sym), diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 6e92ac62b9c8..a742ab7f3c67 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -73,6 +73,7 @@ enum sort_type { SORT_SYM_OFFSET, SORT_ANNOTATE_DATA_TYPE_CACHELINE, SORT_PARALLELISM, + SORT_TGID, /* branch stack specific sort keys */ __SORT_BRANCH_STACK, |