Em Tue, Mar 23, 2021 at 09:37:42AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Tue, Mar 23, 2021 at 09:25:52AM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Fri, Mar 19, 2021 at 03:41:57PM -0300, Arnaldo Carvalho de Melo escreveu:
> > > Em Thu, Mar 18, 2021 at 10:15:13PM +0100, Jiri Olsa escr
Em Tue, Mar 23, 2021 at 09:25:52AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Fri, Mar 19, 2021 at 03:41:57PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Thu, Mar 18, 2021 at 10:15:13PM +0100, Jiri Olsa escreveu:
> > > On Tue, Mar 16, 2021 at 02:18:35PM -0700, Song Liu wrote:
> > > > bperf
Em Fri, Mar 19, 2021 at 03:41:57PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Mar 18, 2021 at 10:15:13PM +0100, Jiri Olsa escreveu:
> > On Tue, Mar 16, 2021 at 02:18:35PM -0700, Song Liu wrote:
> > > bperf is off by default. To enable it, pass --bpf-counters option to
> > > perf-stat. bper
> On Mar 19, 2021, at 11:41 AM, Arnaldo Carvalho de Melo
> wrote:
>
> Em Thu, Mar 18, 2021 at 10:15:13PM +0100, Jiri Olsa escreveu:
>> On Tue, Mar 16, 2021 at 02:18:35PM -0700, Song Liu wrote:
>>> bperf is off by default. To enable it, pass --bpf-counters option to
>>> perf-stat. bperf uses a
> On Mar 19, 2021, at 11:55 AM, Jiri Olsa wrote:
>
> On Fri, Mar 19, 2021 at 03:41:57PM -0300, Arnaldo Carvalho de Melo wrote:
>
> SNIP
>
>> LD
>> /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/libbpf-in.o
>> LINK /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/li
On Fri, Mar 19, 2021 at 03:41:57PM -0300, Arnaldo Carvalho de Melo wrote:
SNIP
> LD
> /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/libbpf-in.o
> LINK /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/libbpf.a
> LINK /tmp/build/perf/util/bpf_skel/.tmp//bo
Em Thu, Mar 18, 2021 at 10:15:13PM +0100, Jiri Olsa escreveu:
> On Tue, Mar 16, 2021 at 02:18:35PM -0700, Song Liu wrote:
> > bperf is off by default. To enable it, pass --bpf-counters option to
> > perf-stat. bperf uses a BPF hashmap to share information about BPF
> > programs and maps used by bpe
On Tue, Mar 16, 2021 at 02:18:35PM -0700, Song Liu wrote:
> perf uses performance monitoring counters (PMCs) to monitor system
> performance. The PMCs are limited hardware resources. For example,
> Intel CPUs have 3x fixed PMCs and 4x programmable PMCs per cpu.
>
> Modern data center systems use t
> On Mar 18, 2021, at 6:49 AM, Namhyung Kim wrote:
>
> On Thu, Mar 18, 2021 at 4:22 PM Song Liu wrote:
>>
>>
>>
>>> On Mar 17, 2021, at 10:54 PM, Namhyung Kim wrote:
>>>
>>
>> [...]
>>
+
+static int bperf_reload_leader_program(struct evsel *evsel, int
attr_map_fd,
On Thu, Mar 18, 2021 at 4:22 PM Song Liu wrote:
>
>
>
> > On Mar 17, 2021, at 10:54 PM, Namhyung Kim wrote:
> >
>
> [...]
>
> >> +
> >> +static int bperf_reload_leader_program(struct evsel *evsel, int
> >> attr_map_fd,
> >> + struct perf_event_attr_map_entry
> On Mar 17, 2021, at 10:54 PM, Namhyung Kim wrote:
>
[...]
>> +
>> +static int bperf_reload_leader_program(struct evsel *evsel, int attr_map_fd,
>> + struct perf_event_attr_map_entry
>> *entry)
>> +{
>> + struct bperf_leader_bpf *skel = bperf_lead
On Wed, Mar 17, 2021 at 6:18 AM Song Liu wrote:
> +static int bperf_check_target(struct evsel *evsel,
> + struct target *target,
> + enum bperf_filter_type *filter_type,
> + __u32 *filter_entry_cnt)
> +{
> +
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