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Date: Fri, 20 Nov 2015 10:40:13 +0900 From: Namhyung Kim <namhyung@...nel.org> To: Arnaldo Carvalho de Melo <acme@...nel.org> CC: Ingo Molnar <mingo@...nel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Jiri Olsa <jolsa@...hat.com>, LKML <linux-kernel@...r.kernel.org>, Brendan Gregg <brendan.d.gregg@...il.com>, David Ahern <dsahern@...il.com>, Frederic Weisbecker <fweisbec@...il.com>, Andi Kleen <andi@...stfloor.org>, Kan Liang <kan.liang@...el.com> Subject: Re: [PATCH v5 7/9] perf hists browser: Support folded callchains On Thu, Nov 19, 2015 at 11:19:38AM -0300, Arnaldo Carvalho de Melo wrote: > Em Mon, Nov 09, 2015 at 02:45:44PM +0900, Namhyung Kim escreveu: > > The folded callchain mode is to print all chains in a single line. > > Currently perf report --tui doesn't support folded callchains. Like > > flat callchains, only leaf nodes are added to the final rbtree so it > > should show entries in parent nodes. To do that, add flat_val list to > > struct callchain_node and show them along with the (normal) val list. > > > > For example, folded callchain looks like below: > > > > $ perf report -g folded --tui > > Samples: 234 of event 'cycles:pp', Event count (approx.): 32605268 > > Overhead Command Shared Object Symbol > > - 39.93% swapper [kernel.vmlinux] [k] intel_idle > > + 28.63% intel_idle; cpuidle_enter_state; cpuidle_enter; ... > > + 11.30% intel_idle; cpuidle_enter_state; cpuidle_enter; ... > > The +/- before the folded callchains continue toggling, but with no, a > further polishment is to elide them altogether, since they have no use. > > Applied, that can be done on top. Agreed. Thanks, Namhyung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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