Messages in this thread | | | Date | Thu, 19 Nov 2015 15:29:22 -0800 | From | Sukadev Bhattiprolu <> | Subject | Re: [PATCH] perf test: Add bpf-output event |
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Wangnan (F) [wangnan0@huawei.com] wrote: | | | On 2015/11/19 7:14, Alexei Starovoitov wrote: | >On Wed, Nov 18, 2015 at 05:50:39PM -0300, Arnaldo Carvalho de Melo wrote: | >>Em Wed, Nov 18, 2015 at 11:26:04AM -0800, Sukadev Bhattiprolu escreveu: | >>>>From 8f71d55dd3e27e6ca2138e3ed6dfeceb1c00a426 Mon Sep 17 00:00:00 2001 | >>>From: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> | >>>Date: Wed, 18 Nov 2015 19:06:08 -0500 | >>>Subject: [PATCH] perf test: Add bpf-output event | >>> | >>>The kernel has added support for 'PERF_COUNT_SW_BPF_OUTPUT' but that is | >>>missing from the perf tool. Among other things, results in the 'roundtrip | >>>evsel->name check' test case of 'perf test' failing on Powerpc. | >>Next time can you please state if this is for this merge window or for | >>the next? | >> | >>Will apply it for perf/core, for the next merge window. | >wait a sec, I believe Wang has posted an RFC a month ago that adds support | >for this properly instead of simply shutting up the error. | | Yes. Please have a look at | | http://lkml.kernel.org/g/1446029705-199659-3-git-send-email-wangnan0@huawei.com | | and patch 23/31 - 31/31 in | | http://lkml.kernel.org/g/1444826502-49291-1-git-send-email-wangnan0@huawei.com | | We are working on a solution which truly utilizes bpf-output, including | filling event array and extracting BPF output through perf data to CTF | format. Now they are separated in multiple patchset, and I'd like to | resend them to Arnaldo in this week.
Ok. It looked like there was development going on around BPF so I put in the stubs to avoid false positives in the perf test. There is a BPF filter test case that is also getting Skipped. Would this patchset address that too?
Sukadev
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