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gpu: nvgpu: Add a generic profiler

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Add a generic profiler based on the channel kickoff profiler. This
aims to provide a mechanism to allow engineers to (more) easily profile
arbitrary software paths within nvgpu.

Usage of this profiler is still primarily through debugfs. Next up is
a generic debugfs interface for this profiler in the Linux code.

The end goal for this is to profile the recovery code and generate
interesting statistics.

JIRA NVGPU-5606

Signed-off-by: Alex Waterman <alexw@nvidia.com>
Change-Id: I99783ec7e5143855845bde4e98760ff43350456d
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2355319
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Alex Waterman
2020-06-01 19:56:37 -05:00
parent 59eb714c48
commit 70ce67df2d
18 changed files with 579 additions and 292 deletions
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2
drivers/gpu/nvgpu/os/linux/debug.c
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@@ -442,8 +442,6 @@ void gk20a_debug_deinit(struct gk20a *g)
if (!l->debugfs)
return;
gk20a_fifo_debugfs_deinit(g);
debugfs_remove_recursive(l->debugfs);
debugfs_remove(l->debugfs_alias);
}