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| author | xinglong.yang <xinglong.yang@cixtech.com> | 2023-11-09 11:28:55 +0300 |
|---|---|---|
| committer | Sudeep Holla <sudeep.holla@arm.com> | 2023-11-13 17:30:37 +0300 |
| commit | 189df98777a32c17d73e116df144e22b2ac3ae6b (patch) | |
| tree | 54ec709c534712eacbad8d2bd656bcdca25b3fe8 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | b85ea95d086471afb4ad062012a4d73cd328fa86 (diff) | |
| download | linux-189df98777a32c17d73e116df144e22b2ac3ae6b.tar.xz | |
firmware: arm_scmi: Check beforehand if the perf domain set operations are allowed
Certain SCMI performance domains may have restrictions on the set level
and/or limits operation. If the set level/limits are performed by an
agent who is not allowed to do so may get SCMI_ERR_SUPPORT. However,
since this information about the domain is already known to the
agent(OSPM here) obtained via PERF_DOMAIN_ATTRIBUTES, the agent(OSPM)
can avoid making PERF_LEVEL_SET and PERF_LIMITS_SET calls to the firmware.
Add those checks and return -ENOTSUPP to the caller without interacting
with the firmware based on the information collected during the domain
enumeration stage.
Signed-off-by: xinglong.yang <xinglong.yang@cixtech.com>
Link: https://lore.kernel.org/r/20231109082855.472681-1-xinglong.yang@cixtech.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions