From: Muhammad Falak R Wani <falakreyaz@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Quentin Monnet <quentin@isovalent.com>,
Yu Kuai <yukuai3@huawei.com>,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, bpf@vger.kernel.org,
Muhammad Falak R Wani <falakreyaz@gmail.com>
Subject: [PATCH] perflib: deprecate bpf_map__resize in favor of bpf_map_set_max_entries
Date: Sun, 15 Aug 2021 16:06:10 +0530 [thread overview]
Message-ID: <20210815103610.27887-1-falakreyaz@gmail.com> (raw)
As a part of libbpf 1.0 plan[0], this patch deprecates use of
bpf_map__resize in favour of bpf_map__set_max_entries.
Reference: https://github.com/libbpf/libbpf/issues/304
[0]: https://github.com/libbpf/libbpf/wiki/Libbpf:-the-road-to-v1.0#libbpfh-high-level-apis
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
---
tools/perf/util/bpf_counter.c | 8 ++++----
tools/perf/util/bpf_counter_cgroup.c | 8 ++++----
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/tools/perf/util/bpf_counter.c b/tools/perf/util/bpf_counter.c
index ba0f20853651..ced2dac31dcf 100644
--- a/tools/perf/util/bpf_counter.c
+++ b/tools/perf/util/bpf_counter.c
@@ -127,9 +127,9 @@ static int bpf_program_profiler_load_one(struct evsel *evsel, u32 prog_id)
skel->rodata->num_cpu = evsel__nr_cpus(evsel);
- bpf_map__resize(skel->maps.events, evsel__nr_cpus(evsel));
- bpf_map__resize(skel->maps.fentry_readings, 1);
- bpf_map__resize(skel->maps.accum_readings, 1);
+ bpf_map__set_max_entries(skel->maps.events, evsel__nr_cpus(evsel));
+ bpf_map__set_max_entries(skel->maps.fentry_readings, 1);
+ bpf_map__set_max_entries(skel->maps.accum_readings, 1);
prog_name = bpf_target_prog_name(prog_fd);
if (!prog_name) {
@@ -399,7 +399,7 @@ static int bperf_reload_leader_program(struct evsel *evsel, int attr_map_fd,
return -1;
}
- bpf_map__resize(skel->maps.events, libbpf_num_possible_cpus());
+ bpf_map__set_max_entries(skel->maps.events, libbpf_num_possible_cpus());
err = bperf_leader_bpf__load(skel);
if (err) {
pr_err("Failed to load leader skeleton\n");
diff --git a/tools/perf/util/bpf_counter_cgroup.c b/tools/perf/util/bpf_counter_cgroup.c
index 89aa5e71db1a..cbc6c2bca488 100644
--- a/tools/perf/util/bpf_counter_cgroup.c
+++ b/tools/perf/util/bpf_counter_cgroup.c
@@ -65,14 +65,14 @@ static int bperf_load_program(struct evlist *evlist)
/* we need one copy of events per cpu for reading */
map_size = total_cpus * evlist->core.nr_entries / nr_cgroups;
- bpf_map__resize(skel->maps.events, map_size);
- bpf_map__resize(skel->maps.cgrp_idx, nr_cgroups);
+ bpf_map__set_max_entries(skel->maps.events, map_size);
+ bpf_map__set_max_entries(skel->maps.cgrp_idx, nr_cgroups);
/* previous result is saved in a per-cpu array */
map_size = evlist->core.nr_entries / nr_cgroups;
- bpf_map__resize(skel->maps.prev_readings, map_size);
+ bpf_map__set_max_entries(skel->maps.prev_readings, map_size);
/* cgroup result needs all events (per-cpu) */
map_size = evlist->core.nr_entries;
- bpf_map__resize(skel->maps.cgrp_readings, map_size);
+ bpf_map__set_max_entries(skel->maps.cgrp_readings, map_size);
set_max_rlimit();
--
2.17.1
next reply other threads:[~2021-08-15 10:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-15 10:36 Muhammad Falak R Wani [this message]
2021-08-16 19:28 ` [PATCH] perflib: deprecate bpf_map__resize in favor of bpf_map_set_max_entries Andrii Nakryiko
2021-09-15 20:56 ` Arnaldo Carvalho de Melo
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