linux-kernel - Re: [PATCH v7 00/10] perf record --off-cpu: Dump off-cpu samples directly

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Message-ID: <ZzOqFTfgY_9CJfHb@x1>
Date: Tue, 12 Nov 2024 16:18:45 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Howard Chu <howardchu95@...il.com>
Cc: peterz@...radead.org, namhyung@...nel.org, irogers@...gle.com,
	mingo@...hat.com, mark.rutland@....com, james.clark@...aro.org,
	alexander.shishkin@...ux.intel.com, jolsa@...nel.org,
	adrian.hunter@...el.com, kan.liang@...ux.intel.com,
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 00/10] perf record --off-cpu: Dump off-cpu samples
 directly

On Tue, Nov 12, 2024 at 04:18:27PM -0300, Arnaldo Carvalho de Melo wrote:
> On Tue, Nov 12, 2024 at 04:17:24PM -0300, Arnaldo Carvalho de Melo wrote:
> > On Tue, Nov 12, 2024 at 03:39:25PM -0300, Arnaldo Carvalho de Melo wrote:
> > make: *** [Makefile:119: install-bin] Error 2
> > make: Leaving directory '/home/acme/git/perf-tools-next/tools/perf'
> > ⬢ [acme@...lbox perf-tools-next]$
> > 
> > I squashed the patch below and I'm trying to apply the other patches to do some
> > minimal testing on the feature itself, but the organization of the
> > patches needs some work.
> 
> Fails a few patches later, trying to fix it.

Sorry, forgot to add it:

⬢ [acme@...lbox perf-tools-next]$        git am ./v7_20241108_howardchu95_perf_record_off_cpu_dump_off_cpu_samples_directly.mbx
Applying: perf evsel: Assemble offcpu samples
Applying: perf record --off-cpu: Disable perf_event's callchain collection
Applying: perf script: Display off-cpu samples correctly
Applying: perf record --off-cpu: Dump the remaining samples in BPF's stack trace map
error: patch failed: tools/perf/util/bpf_off_cpu.c:61
error: tools/perf/util/bpf_off_cpu.c: patch does not apply
Patch failed at 0004 perf record --off-cpu: Dump the remaining samples in BPF's stack trace map
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"
⬢ [acme@...lbox perf-tools-next]$