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| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2024-04-12 17:10:31 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2024-04-19 15:59:28 +0100 |
| commit | eff6af531335341d7a988ea4cacd4e5938a2321a (patch) | |
| tree | 5668d2cd12c3a7cb9f24ac1a7e0f5b8cc1d323a8 /Documentation/admin-guide/perf | |
| parent | 16d417f6c45b1854e29fc5d6de722de0bdc6ccdf (diff) | |
| download | lwn-eff6af531335341d7a988ea4cacd4e5938a2321a.tar.gz lwn-eff6af531335341d7a988ea4cacd4e5938a2321a.zip | |
Documentation: hns-pmu: Use /sys/bus/event_source/devices paths
To allow setting an appropriate parent for the struct pmu device
remove existing references to /sys/devices/ path.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240412161057.14099-5-Jonathan.Cameron@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'Documentation/admin-guide/perf')
| -rw-r--r-- | Documentation/admin-guide/perf/hns3-pmu.rst | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/admin-guide/perf/hns3-pmu.rst b/Documentation/admin-guide/perf/hns3-pmu.rst index 75a40846d47f..1195e570f2d6 100644 --- a/Documentation/admin-guide/perf/hns3-pmu.rst +++ b/Documentation/admin-guide/perf/hns3-pmu.rst @@ -16,7 +16,7 @@ HNS3 PMU driver The HNS3 PMU driver registers a perf PMU with the name of its sicl id.:: - /sys/devices/hns3_pmu_sicl_<sicl_id> + /sys/bus/event_source/devices/hns3_pmu_sicl_<sicl_id> PMU driver provides description of available events, filter modes, format, identifier and cpumask in sysfs. @@ -40,9 +40,9 @@ device. Example usage of checking event code and subevent code:: - $# cat /sys/devices/hns3_pmu_sicl_0/events/dly_tx_normal_to_mac_time + $# cat /sys/bus/event_source/devices/hns3_pmu_sicl_0/events/dly_tx_normal_to_mac_time config=0x00204 - $# cat /sys/devices/hns3_pmu_sicl_0/events/dly_tx_normal_to_mac_packet_num + $# cat /sys/bus/event_source/devices/hns3_pmu_sicl_0/events/dly_tx_normal_to_mac_packet_num config=0x10204 Each performance statistic has a pair of events to get two values to @@ -60,7 +60,7 @@ computation to calculate real performance data is::: Example usage of checking supported filter mode:: - $# cat /sys/devices/hns3_pmu_sicl_0/filtermode/bw_ssu_rpu_byte_num + $# cat /sys/bus/event_source/devices/hns3_pmu_sicl_0/filtermode/bw_ssu_rpu_byte_num filter mode supported: global/port/port-tc/func/func-queue/ Example usage of perf:: |