diff options
| author | Wei Wang <wvw@google.com> | 2017-03-13 12:22:21 -0700 |
|---|---|---|
| committer | Jin Qian <jinqian@google.com> | 2017-03-14 23:53:27 +0000 |
| commit | 75a7736c2ad9b019ac131f124f53f3c194bf3c95 (patch) | |
| tree | 56f1bb6541dec244bcdab124546aff84d59df904 /tools/perf/scripts/python/failed-syscalls-by-pid.py | |
| parent | 4b20ed9406bc88023353f04e07788ed4c3846aa2 (diff) | |
uid_sys_stats: change to use rt_mutex
We see this happens multiple times in heavy workload in systrace
and AMS stuck in uid_lock.
Running process: Process 953
Running thread: android.ui
State: Uninterruptible Sleep
Start:
1,025.628 ms
Duration:
27,955.949 ms
On CPU:
Running instead: system_server
Args:
{kernel callsite when blocked:: "uid_procstat_write+0xb8/0x144"}
Changing to rt_mutex can mitigate the priority inversion
Bug: 34991231
Bug: 34193533
Test: on marlin
Change-Id: I28eb3971331cea60b1075740c792ab87d103262c
Signed-off-by: Wei Wang <wvw@google.com>
Diffstat (limited to 'tools/perf/scripts/python/failed-syscalls-by-pid.py')
0 files changed, 0 insertions, 0 deletions