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16 Commits

Author SHA1 Message Date
yinshengkai
e28b311b78 Make each function of SCHED_CRITMONITOR independent 
There will be a large performance loss after SCHED_CRITMONITOR is enabled.
By isolating thread running time-related functions, CPU load can be run with less overhead.

Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
Signed-off-by: buxiasen <buxiasen@xiaomi.com>
 2024-09-19 03:16:14 +08:00
wangzhi16
bf957348ef [BugFix]Command "critmon" error 
Command "critmon" has some format errors and information errors, such as:

PRE-EMPTION CALLER            CSECTION CALLER               RUN         TIME             PID   DESCRIPTION
1.679000000                   3.704000000
                         None None             0     CPU0 IDLE
0.002000000                   0.003000000
                         None None             1     CPU1 IDLE
0.000000000                   0.000000000
                         None None             2     CPU2 IDLE
0.000000000                   0.000000000
                         None None             3     CPU3 IDLE
0.001000000                   0.001000000
                         None None             4     hpwork
0.002000000                   0.006000000
                         None None             5     nsh_main
0.000000000                   0.000000000
                         None None             6     critmon

After bug fix:

PRE-EMPTION CALLER            CSECTION CALLER               RUN              TIME             PID   DESCRIPTION
None                          None                          ---------------- ---------------- ----  CPU 0
None                          None                          ---------------- ---------------- ----  CPU 1
None                          None                          ---------------- ---------------- ----  CPU 2
None                          None                          ---------------- ---------------- ----  CPU 3
None                          None                          0.238000000      6.982000000      0     CPU0 IDLE
None                          None                          0.461000000      13.089000000     1     CPU1 IDLE
None                          None                          0.000000000      0.000000000      2     CPU2 IDLE
None                          None                          0.000000000      0.000000000      3     CPU3 IDLE
None                          None                          0.000000000      0.001000000      4     hpwork
None                          None                          0.000000000      0.010000000      5     nsh_main
None                          None                          0.000000000      0.000000000      46    critmon

Signed-off-by: wangzhi16 <wangzhi16@xiaomi.com>
 2024-08-23 08:53:15 +08:00
yinshengkai
9852428953 fs: procfs add poll support 
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
 2023-12-26 19:23:13 -08:00
yinshengkai
ddb87d3b86 clock: replace all up_perf_xx with perf_xx 
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-10-02 16:11:43 +02:00
xuxin19
e5ee8f7470 Fix error: procfs/fs_procfscritmon.c:184:10: error: variable 'remaining' set but not used [-Werror,-Wunused-but-set-variable] 
Signed-off-by: xuxin19 <xuxin19@xiaomi.com>
 2023-09-11 20:34:46 +08:00
Xiang Xiao
149cafe450 procfs: Add g_ prefix to all procfs_operations 
to conform the coding style

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-04-22 03:33:50 -04:00
Xiang Xiao
a24ae559c2 arch: Decouple up_critmon_[gettime|convert] from critmon 
and rename to up_perf_[gettime|convert] since it's useful in other case

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-01-25 14:43:34 +08:00
Xiang Xiao
77792a1598 sched: Define CONFIG_SMP_NCPUS to 1 in no SMP case 
to simplify the SMP related code logic

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-01-20 23:21:21 +08:00
Xiang Xiao
1b77ae88ef fs/procfs: Remove the unnecessary strcmp 
since the procfs already make the same check for us

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-01-12 07:19:40 +01:00
ligd
2c775bb0c9 fs/procfs: fix heap overflow when snprintf meet long string 
Change-Id: I90f2d9fab55b6e69f159855af3d6dbcb81142eb8
Signed-off-by: ligd <liguiding1@xiaomi.com>
 2021-07-02 08:25:02 -05:00
Alin Jerpelea
f9fb182809 Author: Gregory Nutt: update licenses to Apache 
Update files from Gregory Nutt to Apache 2.0 license.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
 2021-02-05 12:15:56 -03:00
Xiang Xiao
9dff16e0e4 fix nxstyle warning 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Ieaf325c899d1c349d64dfa15bddcc32afd1fce42
 2020-07-10 21:30:02 +01:00
Xiang Xiao
e57f7cf6ae Critical Section Monitor (sched/ and fs/procfs: Remove SCHED_IRQMONITOR_GETTIME to simplify the clock source selection: (1) Use up_critmon_gettime if SCHED_IRQMONITOR, (2) Call clock_systimespec if SCHED_TICKLESS, (3) Don't collect timing info for all other cases and move up_critmon_* to arch.h avoid the duplicated declaration. 2019-01-27 10:13:28 -06:00
Gregory Nutt
095b597d34 sched/sched and fs/procfs: Fix some bus in critical section monitor found in testing 2018-11-24 17:58:35 -06:00
Gregory Nutt
807d5bb4ae Critical Section Monitor: Add low level timer support for simulation. Fix serial bugs and logic errors in initial implementation. Still does not work; takes assertions. 2018-11-24 15:07:12 -06:00
Gregory Nutt
85c31fd4a2 fs/procfs/fs_procfscritmon.c and sched/sched/sched_critmonitor.c: Add support for global pre-emption and global critical sections to monitor as suggested by Xiang Xaio. 2018-11-24 13:33:37 -06:00