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Commit 97afefd8 authored by Martin Schroschk's avatar Martin Schroschk
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Fix table heading

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doc.zih.tu-dresden.de/docs/software/perf_tools.md
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...@@ -11,12 +11,11 @@ support for sampling applications and reading performance counters. ...@@ -11,12 +11,11 @@ support for sampling applications and reading performance counters.
Admins can change the behaviour of the perf tools kernel part via the Admins can change the behaviour of the perf tools kernel part via the
following interfaces following interfaces
| | |
|---------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------|
| File Name | Description | | File Name | Description |
| `/proc/sys/kernel/perf_event_max_sample_rate` | describes the maximal sample rate for perf record and native access. This is used to limit the performance influence of sampling. | |---------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------|
| `/proc/sys/kernel/perf_event_mlock_kb` | defines the number of pages that can be used for sampling via perf record or the native interface | | `/proc/sys/kernel/perf_event_max_sample_rate` | Describes the maximal sample rate for perf record and native access. This is used to limit the performance influence of sampling. |
| `/proc/sys/kernel/perf_event_paranoid` | defines access rights: | | `/proc/sys/kernel/perf_event_mlock_kb` | Defines the number of pages that can be used for sampling via perf record or the native interface |
| `/proc/sys/kernel/perf_event_paranoid` | Defines access rights: |
| | -1 - Not paranoid at all | | | -1 - Not paranoid at all |
| | 0 - Disallow raw tracepoint access for unpriv | | | 0 - Disallow raw tracepoint access for unpriv |
| | 1 - Disallow cpu events for unpriv | | | 1 - Disallow cpu events for unpriv |
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