> On Thu, Dec 21, 2017 at 10:08:53AM -0800, kan.li...@intel.com wrote:
>
> SNIP
>
> > .max_stack = sysctl_perf_event_max_stack,
> > .sym_pcnt_filter = 5,
> > diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
> > index
> On Thu, Dec 21, 2017 at 10:08:53AM -0800, kan.li...@intel.com wrote:
>
> SNIP
>
> > .max_stack = sysctl_perf_event_max_stack,
> > .sym_pcnt_filter = 5,
> > diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
> > index
> SNIP
>
> > .max_stack = sysctl_perf_event_max_stack,
> > .sym_pcnt_filter = 5,
> > diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
> > index 68146f4..56023e4 100644
> > --- a/tools/perf/ui/browsers/hists.c
> > +++
> SNIP
>
> > .max_stack = sysctl_perf_event_max_stack,
> > .sym_pcnt_filter = 5,
> > diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
> > index 68146f4..56023e4 100644
> > --- a/tools/perf/ui/browsers/hists.c
> > +++
On Thu, Dec 21, 2017 at 10:08:53AM -0800, kan.li...@intel.com wrote:
> From: Kan Liang
>
> perf_top__mmap_read has severe performance issue in
> Knights Landing/Mill, when monitoring in heavy load system. It costs
> several minutes to finish, which is unacceptable.
>
>
On Thu, Dec 21, 2017 at 10:08:53AM -0800, kan.li...@intel.com wrote:
> From: Kan Liang
>
> perf_top__mmap_read has severe performance issue in
> Knights Landing/Mill, when monitoring in heavy load system. It costs
> several minutes to finish, which is unacceptable.
>
> Currently, perf top is
On Thu, Dec 21, 2017 at 10:08:53AM -0800, kan.li...@intel.com wrote:
SNIP
> .max_stack = sysctl_perf_event_max_stack,
> .sym_pcnt_filter = 5,
> diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
> index 68146f4..56023e4 100644
>
On Thu, Dec 21, 2017 at 10:08:53AM -0800, kan.li...@intel.com wrote:
SNIP
> .max_stack = sysctl_perf_event_max_stack,
> .sym_pcnt_filter = 5,
> diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
> index 68146f4..56023e4 100644
>
From: Kan Liang
perf_top__mmap_read has severe performance issue in
Knights Landing/Mill, when monitoring in heavy load system. It costs
several minutes to finish, which is unacceptable.
Currently, perf top is non overwrite mode. For non overwrite mode, it
tries to read
From: Kan Liang
perf_top__mmap_read has severe performance issue in
Knights Landing/Mill, when monitoring in heavy load system. It costs
several minutes to finish, which is unacceptable.
Currently, perf top is non overwrite mode. For non overwrite mode, it
tries to read everything in the
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