hi, recent issues with user space callchains processing within page fault handler tracing showed as Peter said 'there's just too much fail surface'.
Related list discussions: http://marc.info/?t=139302086500001&r=1&w=2 http://marc.info/?t=139301437300003&r=1&w=2 Disabling user space callchain and stack dump for function trace event. Plus updating the perf tool to keep up with those changes. Reachable here: thanks, jirka Cc: Peter Zijlstra <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Vince Weaver <[email protected]> Cc: Steven Rostedt <[email protected]> --- Jiri Olsa (3): perf: Disallow user space callchains for function trace event perf: Disallow user space stack dump for function trace event perf tools: Disable user space callchain/stack for function trace event kernel/trace/trace_event_perf.c | 22 +++++++++++++++++++--- tools/perf/util/evsel.c | 41 ++++++++++++++++++++++++++++++----------- tools/perf/util/evsel.h | 18 ++++++++++++++++++ 3 files changed, 67 insertions(+), 14 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

