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cpumf/lshwc: Update man page and remove concurrency statement

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Linux kernel commits
a029a4eab39 ("s390/cpumf: Allow concurrent access for CPU Measurement Counter Facility")
453380318ed ("s390/cpumf: Allow multiple processes to access /dev/hwc")
removed this restriction. Both commits are included in linux 5.16.

Therefore remove the restriction in the man page.

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Thomas Richter
2023-03-08 14:32:56 +01:00
committed by Jan Höppner
parent fcfd4a6158
commit 68a3ccd45e
1 changed files with 0 additions and 6 deletions
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6
cpumf/man/lshwc.8
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@@ -88,12 +88,6 @@ Include the MT_Diagnostic counter set.
Include the problem counter set.
.IP a
Include all known counter sets (default).
.SH "Concurrency with perf tool"
The \*c tool and the linux
.B perf
tool use the same hardware and cannot be used concurrently.
Both tools print an error message and abort when they
detect this situation.
.SH "EXAMPLES"
The first example enables the basic and problem counter sets on CPU 0 and 1.
Two read operations are performed and a summary line is printed for each