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
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:
> > > >
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.
> 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
> 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
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
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
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
> 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 =
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)
> +{
> +
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 these PMCs in many different ways:
system level monitoring, (maybe
13 matches
Mail list logo
