perf callchain: Update docs regarding kernel/user space unwinding
authorTony Jones <tonyj@suse.de>
Wed, 25 Mar 2020 16:40:53 +0000 (09:40 -0700)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 25 Mar 2020 19:13:21 +0000 (16:13 -0300)
commiteadcaa3dfd706bbf46682c8b8b5979262443c3c3
treea2e0f4f6d2f875492d1a458bfa6413397814e350
parent0d33b34352531ff7029c58eda2321340c0ea3f5f
perf callchain: Update docs regarding kernel/user space unwinding

The method of unwinding for kernel space is defined by the kernel
config, not by the value of --call-graph.   Improve the documentation to
reflect this.

Signed-off-by: Tony Jones <tonyj@suse.de>
Link: http://lore.kernel.org/lkml/20200325164053.10177-1-tonyj@suse.de
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/Documentation/perf-config.txt
tools/perf/Documentation/perf-record.txt