The sysfs directory is called event_source.
Before:
$ ls -la /sys/bus/event_sources/devices/cpu/format/
ls: cannot access '/sys/bus/event_sources/devices/cpu/format/': No such file or directory
$
After:
$ ls -la /sys/bus/event_source/devices/cpu/format/
total 0
drwxr-xr-x. 2 root root 0 Jun 2 15:36 .
drwxr-xr-x. 6 root root 0 Jun 2 15:35 ..
-r--r--r--. 1 root root 4096 Jun 2 15:36 any
-r--r--r--. 1 root root 4096 Jun 2 15:36 cmask
-r--r--r--. 1 root root 4096 Jun 2 15:36 edge
-r--r--r--. 1 root root 4096 Jun 2 15:36 event
-r--r--r--. 1 root root 4096 Jun 2 15:36 frontend
-r--r--r--. 1 root root 4096 Jun 2 15:36 inv
-r--r--r--. 1 root root 4096 Jun 2 15:36 ldlat
-r--r--r--. 1 root root 4096 Jun 2 15:36 offcore_rsp
-r--r--r--. 1 root root 4096 Jun 2 15:36 pc
-r--r--r--. 1 root root 4096 Jun 2 15:36 umask
$
Reviewed-by: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Alyssa Ross <hi@alyssa.is>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Joshua Martinez <joshuamart@google.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Like Xu <likexu@tencent.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20220603045744.2815559-1-irogers@google.com
Reported-by: Kevin Nomura <nomurak@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
- a raw PMU event in the form of rN where N is a hexadecimal value
that represents the raw register encoding with the layout of the
event control registers as described by entries in
- /sys/bus/event_sources/devices/cpu/format/*.
+ /sys/bus/event_source/devices/cpu/format/*.
- a symbolic or raw PMU event followed by an optional colon
and a list of event modifiers, e.g., cpu-cycles:p. See the
- a raw PMU event in the form of rN where N is a hexadecimal value
that represents the raw register encoding with the layout of the
event control registers as described by entries in
- /sys/bus/event_sources/devices/cpu/format/*.
+ /sys/bus/event_source/devices/cpu/format/*.
- a symbolic or raw PMU event followed by an optional colon
and a list of event modifiers, e.g., cpu-cycles:p. See the
(use 'perf list' to list all events) or a raw PMU event in the form
of rN where N is a hexadecimal value that represents the raw register
encoding with the layout of the event control registers as described
- by entries in /sys/bus/event_sources/devices/cpu/format/*.
+ by entries in /sys/bus/event_source/devices/cpu/format/*.
-E <entries>::
--entries=<entries>::