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tools/rtla: Replace setting prio with nice for SCHED_OTHER

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commit 14f08c976ffe0d2117c6199c32663df1cbc45c65 upstream.

Since the sched_priority for SCHED_OTHER is always 0, it makes no
sence to set it.
Setting nice for SCHED_OTHER seems more meaningful.

Link: https://lkml.kernel.org/r/20240207065142.1753909-1-limingming3@lixiang.com

Cc: stable@vger.kernel.org
Fixes: b1696371d865 ("rtla: Helper functions for rtla")
Signed-off-by: limingming3 <limingming3@lixiang.com>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
limingming3 2024-02-07 14:51:42 +08:00 committed by Greg Kroah-Hartman
parent a71597b4e5
commit daa5e6a4a8
2 changed files with 5 additions and 3 deletions
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6
tools/tracing/rtla/src/utils.c
View File

@ -473,13 +473,13 @@ int parse_prio(char *arg, struct sched_attr *sched_param)
if (prio == INVALID_VAL)
return -1;
if (prio < sched_get_priority_min(SCHED_OTHER))
if (prio < MIN_NICE)
return -1;
if (prio > sched_get_priority_max(SCHED_OTHER))
if (prio > MAX_NICE)
return -1;
sched_param->sched_policy = SCHED_OTHER;
sched_param->sched_priority = prio;
sched_param->sched_nice = prio;
break;
default:
return -1;

2
tools/tracing/rtla/src/utils.h
View File

@ -9,6 +9,8 @@
*/
#define BUFF_U64_STR_SIZE 24
#define MAX_PATH 1024
#define MAX_NICE 20
#define MIN_NICE -19
#define container_of(ptr, type, member)({ \
const typeof(((type *)0)->member) *__mptr = (ptr); \