On Sun, Sep 29, 2019 at 09:44:07AM +0200, Jiri Olsa wrote: > On Sun, Sep 22, 2019 at 10:38:21AM +0800, Changbin Du wrote: > > When in TUI mode, it is impossible to show all the debug messages to > > console. This make it hard to debug perf issues using debug messages. > > This patch adds support for logging debug messages to file to resolve > > this problem. > > > > v2: > > o specific all debug options one time. > > > > Changbin Du (2): > > perf: support multiple debug options separated by ',' > > perf: add support for logging debug messages to file > > hi, > getting segfault with: > > [jolsa@krava perf]$ ./perf --debug verbose=2,file report > build id event received for [kernel.kallsyms]: > bf6ca14c03795fd67b4d88113681ba4af2b8c18a > Segmentation fault (core dumped) > Hmm, this because the va_list variable cannot be used twice. I resolve this by making stderr and file options exclusive.
> jirka > > > > > tools/perf/Documentation/perf.txt | 14 ++-- > > tools/perf/util/debug.c | 106 ++++++++++++++++++------------ > > 2 files changed, 73 insertions(+), 47 deletions(-) > > > > -- > > 2.20.1 > > -- Cheers, Changbin Du
