On 4/27/17 7:41 PM, Steven Rostedt wrote:
> On Thu, 27 Apr 2017 19:31:12 -0500
> David Carrillo-Cisneros <davi...@google.com> wrote:
>
>> When processing tracepoint events, perf report outputs warnings about
>> field not founds. The warnings are usually hidden by perf report UI
>> and appear when using the --stdio option. e.g.
>>
>> $ perf record -e syscalls:sys_enter_mmap some_load
'-e syscalls' vs raw_syscalls suggests an older kernel -- like RHEL6.
See the note I put into tools/perf/builtin-trace.c:
static struct perf_evsel *perf_evsel__syscall_newtp(const char
*direction, void *handler)
{
struct perf_evsel *evsel = perf_evsel__newtp("raw_syscalls",
direction);
/* older kernel (e.g., RHEL6) use syscalls:{enter,exit} */
if (IS_ERR(evsel))
evsel = perf_evsel__newtp("syscalls", direction);
Are you running top of tree perf on RHEL6?
