diff options
| author | Ingo Molnar <mingo@kernel.org> | 2020-04-13 09:44:39 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-04-13 09:44:39 +0200 |
| commit | 3b02a051d25d9600e9d403ad3043aed7de00160e (patch) | |
| tree | 5b8f58b79328c04654bf5ab6286401057edeca8f /tools/perf/Documentation/perf-config.txt | |
| parent | kcsan, trace: Make KCSAN compatible with tracing (diff) | |
| parent | Linux 5.7-rc1 (diff) | |
| download | linux-3b02a051d25d9600e9d403ad3043aed7de00160e.tar.xz linux-3b02a051d25d9600e9d403ad3043aed7de00160e.zip | |
Merge tag 'v5.7-rc1' into locking/kcsan, to resolve conflicts and refresh
Resolve these conflicts:
arch/x86/Kconfig
arch/x86/kernel/Makefile
Do a minor "evil merge" to move the KCSAN entry up a bit by a few lines
in the Kconfig to reduce the probability of future conflicts.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/Documentation/perf-config.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-config.txt | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt index 8ead55593984..f16d8a71d3f5 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -405,14 +405,16 @@ ui.*:: This option is only applied to TUI. call-graph.*:: - When sub-commands 'top' and 'report' work with -g/—-children - there're options in control of call-graph. + The following controls the handling of call-graphs (obtained via the + -g/--call-graph options). call-graph.record-mode:: - The record-mode can be 'fp' (frame pointer), 'dwarf' and 'lbr'. - The value of 'dwarf' is effective only if perf detect needed library - (libunwind or a recent version of libdw). - 'lbr' only work for cpus that support it. + The mode for user space can be 'fp' (frame pointer), 'dwarf' + and 'lbr'. The value 'dwarf' is effective only if libunwind + (or a recent version of libdw) is present on the system; + the value 'lbr' only works for certain cpus. The method for + kernel space is controlled not by this option but by the + kernel config (CONFIG_UNWINDER_*). call-graph.dump-size:: The size of stack to dump in order to do post-unwinding. Default is 8192 (byte). |