On Wed, 7 Sep 2016 18:08:31 +0200 Arnd Bergmann <[email protected]> wrote:
> hwlat_trace cannot work without CONFIG_TRACER_MAX_TRACE: > > kernel/trace/trace_hwlat.c: In function 'get_sample': > kernel/trace/trace_hwlat.c:258:18: error: 'struct trace_array' has no member > named 'max_latency'; did you mean 'max_lock'? > if (sample > tr->max_latency) > ^~ > kernel/trace/trace_hwlat.c:259:6: error: 'struct trace_array' has no member > named 'max_latency'; did you mean 'max_lock'? > tr->max_latency = sample; > ^~ > kernel/trace/trace_hwlat.c: In function 'hwlat_tracer_init': > kernel/trace/trace_hwlat.c:583:4: error: 'struct trace_array' has no member > named 'max_latency'; did you mean 'max_lock'? > tr->max_latency = 0; > > We also have to enable CONFIG_TRACER_SNAPSHOT, which in turn > is a dependency of CONFIG_TRACER_MAX_TRACE. Hi Arnd, Thanks. Randy Dunlap already reported this, and it's been fixed. I just finished testing and it will be uploaded today. The real fix was posted in the thread here: http://lkml.kernel.org/r/[email protected] -- Steve
