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Groups > linux.kernel > #1340836
| From | Arnaldo Carvalho de Melo <acme@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 11/48] perf data: Support converting data from bpf_perf_event_output() |
| Date | 2016-02-23 17:20 +0100 |
| Message-ID | <r5nQU-7QI-49@gated-at.bofh.it> (permalink) |
| References | <r4UOR-3pt-3@gated-at.bofh.it> <r4UYA-3uz-41@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Em Mon, Feb 22, 2016 at 09:10:38AM +0000, Wang Nan escreveu: > bpf_perf_event_output() outputs data through sample->raw_data. This > patch adds support to convert those data into CTF. A python script > then can be used to process output data from BPF programs. > > Test result: Trying to test this I get: [acme@jouet linux]$ make O=/tmp/build/perf LIBBABELTRACE=1 -C tools/perf install-bin 2>&1 | grep babel config/Makefile:663: No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev [acme@jouet linux]$ rpm -q libbabeltrace-devel libbabeltrace-devel-1.2.4-2.fc23.x86_64 [acme@jouet linux]$ Guess we better improve this message... Anyway, trying to find libbabeltrace's git tree to see if with its master branch this works... - Arnaldo
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Re: [PATCH 11/48] perf data: Support converting data from bpf_perf_event_output() Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-23 17:20 +0100
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