| Commit message (Collapse) | Author | Age |
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When the user-supplied ioctl argument size is too large, just return
-EINVAL from the ioctl instead of crashing on a BUG_ON (for as, ctrl,
ctxsw, dbg and tsg nodes - channel and sched nodes are already okay).
Bug 1849661
Change-Id: I5b0d1d0c4ee47ce0136c424dda5975353f110c7e
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1266606
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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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>
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Added a dedicated device node to allow an
app manager to control TSG scheduling parameters:
- Get list of TSGs
- Get list of recent TSGs
- Get list of TSGs per pid
- Get TSG current scheduling parameters
- Set TSG timeslice
- Set TSG runlist interleave
Jira VFND-1586
Change-Id: I014c9d1534bce0eaea6c25ad114cf0cff317af79
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1160384
(cherry picked from commit 75ca739517cc7f7f76714b5f6a1a57c39b8cb38e)
Reviewed-on: http://git-master/r/1167021
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>
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Properly check that flush method exists. Before
this change, it was inconditionnaly called from
poll function by accident.
Bug 1778951
Change-Id: Ibb8a5b7448bc4b7c475d60439e5b5bd1af9a12bf
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1168144
(cherry picked from commit 178967b91f2632e5b84ce6d11e24f2a8f49c52ea)
Reviewed-on: http://git-master/r/1170549
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Move all places that read ptimer to use the callback.
It's for add vgpu implementation of read ptimer.
Bug 1395833
Change-Id: Ia339f2f08d75ca4969a443fffc9a61cff1d3d2b7
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1159587
(cherry picked from commit a01f804684f875c9cffc31eb2c1038f2f29ec66f)
Reviewed-on: http://git-master/r/1158449
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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On engine reset, an event is generate for FECS
trace. In case a TSG context is currentlu loaded
on GR engine, we retrieve the pid of the TSG from
the first channel in the ch_list. Fixed invalid
invocation of list_entry that led to crash.
Bug 200193891
Change-Id: I79358bbb6685748cde68396ce220ab7b660d414d
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1154811
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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compiling kernel with clang pointed out below issues in nvgpu.
Fixing them.
gr_gk20a.c:1185:12: error: stack frame size of 3152 bytes in
function 'gr_gk20a_setup_alpha_beta_tables'
cde_gk20a.c:1376:22: error: duplicate 'const' declaration
cde_gk20a.c:1377:22: error: duplicate 'const' declaration
cde_gk20a.c:1378:22: error: duplicate 'const' declaration
ctxsw_trace_gk20a.c:71:19: error: unused function 'ring_space'
platform_gk20a_tegra.c:55:19: error: unused function 'pmc_read'
platform_gk20a_tegra.c:60:20: error: unused function 'pmc_write'
bug 1745660
Change-Id: I8cd4383cb898307bbeb162ca00b3e20d04de2c90
Signed-off-by: Sri Krishna chowdary <schowdary@nvidia.com>
Reviewed-on: http://git-master/r/1150486
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add checks for all ctxsw trace functions declared in header. This
makes sure chips without tracing support continue to work.
Change-Id: Ic658a00821b589a7b770c1fde52afede02dc1c9c
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1151918
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
GVS: Gerrit_Virtual_Submit
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Fix a case where user space could potentially see
an out of bounds write index for user facing
context switch buffer. Check if write_idx is
valid, and disable FECS tracing if corrupted.
Bug 1757714
Change-Id: I5710c40121fa6935dba3918adf5290488e31e9f6
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1139305
(cherry picked from commit 47b65e5b59037932777be4911fe040e6acbc5651)
Reviewed-on: http://git-master/r/1150048
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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fecs_trace.disable() method kills polling thread
and waits until it completes. dev->lock must not
be held while calling this function, as polling
thread may attempt to acquire it, leading to a
deadlock. Also fixed potential deadlock in
ioctl to disable trace.
Bug 1758405
Change-Id: I8f6baaba8093ce92961413f6152ee8b81beca3e4
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1139296
(cherry picked from commit 3391a911e1fa9170a5aa989c81bcba6a2f79a9d4)
Reviewed-on: http://git-master/r/1150047
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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In virtualization case, VM server is the only one
allowed to write to ctxsw ring buffer. It will
also generate an event in case of engine reset.
Only generate a tracepoint on Guest OS side.
EVLR-314
Change-Id: I2cb09780a9b41237fe196ef1f3515923f36a24a4
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1130743
(cherry picked from commit 4bbf9538e2a3375eb86b2feea6c605c3eec2ca40)
Reviewed-on: http://git-master/r/1133614
(cherry picked from commit 2076d944db41b37143c27795b3cffd88e99e0b00)
Reviewed-on: http://git-master/r/1150046
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Generate a ctxsw channel reset when engine needs to be reset.
This event is generated by the driver, while other events are
generated by FECS.
JIRA ELVR-314
Change-Id: I7791cf3e538782464c37c442c871acb177484566
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1129029
(cherry picked from commit 114038a1a5d9e8941bc53f3e95115b01dd1f8c6e)
Reviewed-on: http://git-master/r/1134379
(cherry picked from commit 15fa2a7b48a0937dfd449ca0c4ed5ad3a863d6bf)
Reviewed-on: http://git-master/r/1123916
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Skip initialization of ctxsw tracing if it's not supported for that
chip.
Change-Id: I5197295c2a5d0f039347e1784137b3fd99894dc7
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1143837
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
GVS: Gerrit_Virtual_Submit
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Bug 1648908
Change-Id: I7901e7bce5f7aa124a188101dd0736241d87bd53
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1031861
Reviewed-on: http://git-master/r/1121261
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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bug 1648908
This commit adds support for FECS ctxsw tracing. Code is compiled
conditionnaly under CONFIG_GK20_CTXSW_TRACE.
This feature requires an updated FECS ucode that writes one record to a ring
buffer on each context switch. On RM/Kernel side, the GPU driver reads records
from the master ring buffer and generates trace entries into a user-facing
VM ring buffer. For each record in the master ring buffer, RM/Kernel has
to retrieve the vmid+pid of the user process that submitted related work.
Features currently implemented:
- master ring buffer allocation
- debugfs to dump master ring buffer
- FECS record per context switch (with both current and new contexts)
- dedicated device for ctxsw tracing (access to VM ring buffer)
- SOF generation (and access to PTIMER)
- VM ring buffer allocation, and reconfiguration
- enable/disable tracing at user level
- event-based trace filtering
- context_ptr to vmid+pid mapping
- read system call for ctxsw dev
- mmap system call for ctxsw dev (direct access to VM ring buffer)
- poll system call for ctxsw dev
- save/restore register on ELPG/CG6
- separate user ring from FECS ring handling
Features requiring ucode changes:
- enable/disable tracing at FECS level
- actual busy time on engine (bug 1642354)
- master ring buffer threshold interrupt (P1)
- API for GPU to CPU timestamp conversion (P1)
- vmid/pid/uid based filtering (P1)
Change-Id: I8e39c648221ee0fa09d5df8524b03dca83fe24f3
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1022737
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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