Re: [PATCH -mm 4/5] tools/perf: replace hard-coded 16 with TASK_COMM_LEN

From: Steven Rostedt
Date: Wed Dec 08 2021 - 13:43:13 EST


On Sat, 4 Dec 2021 09:52:55 +0000
Yafang Shao <laoar.shao@xxxxxxxxx> wrote:

> @@ -43,7 +45,7 @@ static int test__perf_evsel__tp_sched_test(struct test_suite *test __maybe_unuse
> return -1;
> }
>
> - if (evsel__test_field(evsel, "prev_comm", 16, false))
> + if (evsel__test_field(evsel, "prev_comm", TASK_COMM_LEN, false))
> ret = -1;
>
> if (evsel__test_field(evsel, "prev_pid", 4, true))
> @@ -55,7 +57,7 @@ static int test__perf_evsel__tp_sched_test(struct test_suite *test __maybe_unuse
> if (evsel__test_field(evsel, "prev_state", sizeof(long), true))
> ret = -1;
>
> - if (evsel__test_field(evsel, "next_comm", 16, false))
> + if (evsel__test_field(evsel, "next_comm", TASK_COMM_LEN, false))
> ret = -1;
>
> if (evsel__test_field(evsel, "next_pid", 4, true))
> @@ -73,7 +75,7 @@ static int test__perf_evsel__tp_sched_test(struct test_suite *test __maybe_unuse
> return -1;
> }
>
> - if (evsel__test_field(evsel, "comm", 16, false))
> + if (evsel__test_field(evsel, "comm", TASK_COMM_LEN, false))

Shouldn't all these be TASK_COMM_LEN_16?

-- Steve

> ret = -1;
>
> if (evsel__test_field(evsel, "pid", 4, true))