Hi David, On Tue, Dec 6, 2016 at 12:52 PM, David Ahern <dsah...@gmail.com> wrote: > On 12/5/16 7:40 PM, Namhyung Kim wrote: >> Sometimes samples have tid of 0 but non-0 pid. It ends up having a > > Any idea how that happens?
No, I didn't investigate it yet. Looking at the original code, you seemed to have same issue and workaround like checking prev_pid or callchains, right? Thanks, Namhyung > >> new thread of 0 tid/pid (instead of referring idle task) since tid is >> used to search matching task. But I guess it's wrong to use 0 as a >> tid when pid is set. This patch uses tid only if it has a non-zero >> value or same as pid (of 0).
