diff options
author | Thomas Fleury <tfleury@nvidia.com> | 2016-06-16 20:31:45 -0400 |
---|---|---|
committer | Vijayakumar Subbu <vsubbu@nvidia.com> | 2016-07-19 02:19:09 -0400 |
commit | f4b77e465648e87b19a7df4bb2a121ac8ac1b851 (patch) | |
tree | 25e5db7e8f16e76985d2a56ad7b8e8573ad1fccd /drivers/gpu/nvgpu/gk20a/channel_gk20a.c | |
parent | d6efa8fc625fc297b9baa0755407cee1180fbbe6 (diff) |
gpu: nvgpu: process granularity for FECS traces
When processing FECS traces, a hash table is used
to retrieve the 'pid' of the process that created
the channel/TSG. Report process identifer (aka
tgid in kernel) instead of thread identifier (aka
pid) for FECS traces.
Bug 1736423
Change-Id: I54cb9d298b9fe3e1cccdd7145604cd01c5758c9d
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1166501
(cherry picked from commit f7fd1f6d7ad0753b787ec20604a08a1f4882fe6f)
Reviewed-on: http://git-master/r/1168728
(cherry picked from commit 97a62e5b89352fce576f1bca71b38bf2242ff047)
Reviewed-on: http://git-master/r/1177823
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/gk20a/channel_gk20a.c')
-rw-r--r-- | drivers/gpu/nvgpu/gk20a/channel_gk20a.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c index e631b836..d5457d10 100644 --- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c | |||
@@ -1171,6 +1171,7 @@ struct channel_gk20a *gk20a_open_new_channel(struct gk20a *g, | |||
1171 | * alive and used (i.e. get-able) yet */ | 1171 | * alive and used (i.e. get-able) yet */ |
1172 | 1172 | ||
1173 | ch->pid = current->pid; | 1173 | ch->pid = current->pid; |
1174 | ch->tgid = current->tgid; /* process granularity for FECS traces */ | ||
1174 | 1175 | ||
1175 | /* By default, channel is regular (non-TSG) channel */ | 1176 | /* By default, channel is regular (non-TSG) channel */ |
1176 | ch->tsgid = NVGPU_INVALID_TSG_ID; | 1177 | ch->tsgid = NVGPU_INVALID_TSG_ID; |