From d0412b6ecb4e422dcb1754106c52e40946a95b61 Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Fri, 12 Apr 2024 17:10:29 +0100 Subject: Documentation: hisi-pmu: Drop reference to /sys/devices path Having assigned a parent to the device, the suggested path is no longer valid. As /sys/bus/event_sources based path is also provided, simply drop mention of alternative. Reviewed-by: Yicong Yang Reviewed-by: Greg Kroah-Hartman Signed-off-by: Jonathan Cameron Link: https://lore.kernel.org/r/20240412161057.14099-3-Jonathan.Cameron@huawei.com Signed-off-by: Will Deacon --- Documentation/admin-guide/perf/hisi-pmu.rst | 1 - 1 file changed, 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/admin-guide/perf/hisi-pmu.rst b/Documentation/admin-guide/perf/hisi-pmu.rst index e0174d20809a..5cc248d18c63 100644 --- a/Documentation/admin-guide/perf/hisi-pmu.rst +++ b/Documentation/admin-guide/perf/hisi-pmu.rst @@ -20,7 +20,6 @@ interrupt, and the PMU driver shall register perf PMU drivers like L3C, HHA and DDRC etc. The available events and configuration options shall be described in the sysfs, see: -/sys/devices/hisi_sccl{X}_/, or /sys/bus/event_source/devices/hisi_sccl{X}_. The "perf list" command shall list the available events from sysfs. -- cgit v1.2.3 From eff6af531335341d7a988ea4cacd4e5938a2321a Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Fri, 12 Apr 2024 17:10:31 +0100 Subject: 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 Signed-off-by: Jonathan Cameron Link: https://lore.kernel.org/r/20240412161057.14099-5-Jonathan.Cameron@huawei.com Signed-off-by: Will Deacon --- Documentation/admin-guide/perf/hns3-pmu.rst | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'Documentation') 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_ + /sys/bus/event_source/devices/hns3_pmu_sicl_ 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:: -- cgit v1.2.3 From 867ba6d204f1c35c5d615c9b9c62f51a699220fa Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Fri, 12 Apr 2024 17:10:35 +0100 Subject: Documentation: xgene-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. Signed-off-by: Jonathan Cameron Link: https://lore.kernel.org/r/20240412161057.14099-9-Jonathan.Cameron@huawei.com Signed-off-by: Will Deacon --- Documentation/admin-guide/perf/xgene-pmu.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/admin-guide/perf/xgene-pmu.rst b/Documentation/admin-guide/perf/xgene-pmu.rst index 644f8ed89152..98ccb8e777c4 100644 --- a/Documentation/admin-guide/perf/xgene-pmu.rst +++ b/Documentation/admin-guide/perf/xgene-pmu.rst @@ -13,7 +13,7 @@ PMU (perf) driver The xgene-pmu driver registers several perf PMU drivers. Each of the perf driver provides description of its available events and configuration options -in sysfs, see /sys/devices//. +in sysfs, see /sys/bus/event_source/devices//. The "format" directory describes format of the config (event ID), config1 (agent ID) fields of the perf_event_attr structure. The "events" -- cgit v1.2.3 From 90b4a1a927ee03972b70c69efbf7642654c79902 Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Fri, 12 Apr 2024 17:10:37 +0100 Subject: Documentation: thunderx2-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. Signed-off-by: Jonathan Cameron Link: https://lore.kernel.org/r/20240412161057.14099-11-Jonathan.Cameron@huawei.com Signed-off-by: Will Deacon --- Documentation/admin-guide/perf/thunderx2-pmu.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/admin-guide/perf/thunderx2-pmu.rst b/Documentation/admin-guide/perf/thunderx2-pmu.rst index 01f158238ae1..9255f7bf9452 100644 --- a/Documentation/admin-guide/perf/thunderx2-pmu.rst +++ b/Documentation/admin-guide/perf/thunderx2-pmu.rst @@ -22,7 +22,7 @@ The thunderx2_pmu driver registers per-socket perf PMUs for the DMC and L3C devices. Each PMU can be used to count up to 4 (DMC/L3C) or up to 8 (CCPI2) events simultaneously. The PMUs provide a description of their available events and configuration options under sysfs, see -/sys/devices/uncore_; S is the socket id. +/sys/bus/event_source/devices/uncore_; S is the socket id. The driver does not support sampling, therefore "perf record" will not work. Per-task perf sessions are also not supported. -- cgit v1.2.3 From 556da13434521abd912bcb810ef871cf0f3555e8 Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Fri, 12 Apr 2024 17:10:40 +0100 Subject: Documentation: qcom-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. Signed-off-by: Jonathan Cameron Link: https://lore.kernel.org/r/20240412161057.14099-14-Jonathan.Cameron@huawei.com Signed-off-by: Will Deacon --- Documentation/admin-guide/perf/qcom_l2_pmu.rst | 2 +- Documentation/admin-guide/perf/qcom_l3_pmu.rst | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'Documentation') diff --git a/Documentation/admin-guide/perf/qcom_l2_pmu.rst b/Documentation/admin-guide/perf/qcom_l2_pmu.rst index c130178a4a55..c37c6be9b8d8 100644 --- a/Documentation/admin-guide/perf/qcom_l2_pmu.rst +++ b/Documentation/admin-guide/perf/qcom_l2_pmu.rst @@ -10,7 +10,7 @@ There is one logical L2 PMU exposed, which aggregates the results from the physical PMUs. The driver provides a description of its available events and configuration -options in sysfs, see /sys/devices/l2cache_0. +options in sysfs, see /sys/bus/event_source/devices/l2cache_0. The "format" directory describes the format of the events. diff --git a/Documentation/admin-guide/perf/qcom_l3_pmu.rst b/Documentation/admin-guide/perf/qcom_l3_pmu.rst index a3d014a46bfd..a66556b7e985 100644 --- a/Documentation/admin-guide/perf/qcom_l3_pmu.rst +++ b/Documentation/admin-guide/perf/qcom_l3_pmu.rst @@ -9,7 +9,7 @@ PMU with device name l3cache__. User space is responsible for aggregating across slices. The driver provides a description of its available events and configuration -options in sysfs, see /sys/devices/l3cache*. Given that these are uncore PMUs +options in sysfs, see /sys/bus/event_source/devices/l3cache*. Given that these are uncore PMUs the driver also exposes a "cpumask" sysfs attribute which contains a mask consisting of one CPU per socket which will be used to handle all the PMU events on that socket. -- cgit v1.2.3