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| author | Daniel Bristot de Oliveira <bristot@kernel.org> | 2023-06-06 19:12:16 +0300 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2023-06-13 23:26:03 +0300 |
| commit | 272ced2556e63943113a54c113f8c11aeb53a5c3 (patch) | |
| tree | 8500d7461984c1227f3ebd9e89329cd4e21d9883 /tools/tracing/rtla/src/utils.h | |
| parent | a957cbc02531a23beeac6dd9e751f8d4dadaf7a9 (diff) | |
| download | linux-272ced2556e63943113a54c113f8c11aeb53a5c3.tar.xz | |
rtla: Add --house-keeping option
To avoid having rtla interfering with the measurement threads, add an
option for the user to set the CPUs in which rtla should run. For
instance:
# rtla timerlat top -H 0 -c 1-7
Will place rtla in the CPU 0, while running the measurement threads in
the CPU 1-7.
Link: https://lkml.kernel.org/r/6a6c78a579a96ba8b02ae67ee1e0ba2cb5e03c4a.1686066600.git.bristot@kernel.org
Cc: William White <chwhite@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Tested-by: Juri Lelli <juri.lelli@redhat.com>
Suggested-by: Juri Lelli <juri.lelli@redhat.com>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'tools/tracing/rtla/src/utils.h')
| -rw-r--r-- | tools/tracing/rtla/src/utils.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/tracing/rtla/src/utils.h b/tools/tracing/rtla/src/utils.h index 42b6f099d10a..9ab2f0d7bc1c 100644 --- a/tools/tracing/rtla/src/utils.h +++ b/tools/tracing/rtla/src/utils.h @@ -1,6 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 + #include <stdint.h> #include <time.h> +#include <sched.h> /* * '18446744073709551615\0' @@ -54,6 +56,7 @@ struct sched_attr { }; int parse_prio(char *arg, struct sched_attr *sched_param); +int parse_cpu_set(char *cpu_list, cpu_set_t *set); int set_comm_sched_attr(const char *comm_prefix, struct sched_attr *attr); int set_comm_cgroup(const char *comm_prefix, const char *cgroup); int set_cpu_dma_latency(int32_t latency); |