On Mon, Apr 15, 2019 at 01:43:41PM +0300 Slavomir Kaslev wrote: > This patchset optimizes how pid filters are expressed and makes it less likely > that we overflow ftrace filters' size limit of one page. > > Slavomir Kaslev (2): > trace-cmd: Optimize how pid filters are expressed > trace-cmd: Add --no-filter option to not filter recording processes > > tracecmd/trace-record.c | 126 +++++++++++++++++++++++++++------------- > tracecmd/trace-usage.c | 1 + > 2 files changed, 87 insertions(+), 40 deletions(-) > > -- > 2.19.1 > That worked very nicely on my setup. Collapsed from len 6300+ to : WRITE: /sys/kernel/tracing/events/sched/sched_switch/filter, len 70, data "(common_pid<13247||common_pid>13088)||(next_pid<13247||next_pid>13088)" --no-filter also worked as advertised. Thanks! Acked-by: Phil Auld <pauld@xxxxxxxxxx> --
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