From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 25/63] perf trace: Switch to using a struct for the aumented_raw_syscalls syscalls map values Date: Tue, 18 Dec 2018 19:06:55 -0300 Message-ID: <20181218220733.15839-26-acme@kernel.org> References: <20181218220733.15839-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20181218220733.15839-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , Jiri Olsa , Namhyung Kim , Wang Nan List-Id: linux-perf-users.vger.kernel.org From: Arnaldo Carvalho de Melo We'll start adding more perf-syscall stuff, so lets do this prep step so that the next ones are just about adding more fields. Cc: Adrian Hunter Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-vac4sn1ns1vj4y07lzj7y4b8@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index de81918c7ad4..096380e8c213 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -908,6 +908,10 @@ struct syscall { struct syscall_arg_fmt *arg_fmt; }; +struct bpf_map_syscall_entry { + bool enabled; +}; + /* * We need to have this 'calculated' boolean because in some cases we really * don't know what is the duration of a syscall, for instance, when we start @@ -2583,7 +2587,9 @@ static int trace__set_ev_qualifier_tp_filter(struct trace *trace) static int trace__set_ev_qualifier_bpf_filter(struct trace *trace) { int fd = bpf_map__fd(trace->syscalls.map); - bool value = !trace->not_ev_qualifier; + struct bpf_map_syscall_entry value = { + .enabled = !trace->not_ev_qualifier, + }; int err = 0; size_t i; @@ -2601,10 +2607,13 @@ static int trace__set_ev_qualifier_bpf_filter(struct trace *trace) static int __trace__init_syscalls_bpf_map(struct trace *trace, bool enabled) { int fd = bpf_map__fd(trace->syscalls.map); + struct bpf_map_syscall_entry value = { + .enabled = enabled, + }; int err = 0, key; for (key = 0; key < trace->sctbl->syscalls.nr_entries; ++key) { - err = bpf_map_update_elem(fd, &key, &enabled, BPF_ANY); + err = bpf_map_update_elem(fd, &key, &value, BPF_ANY); if (err) break; } -- 2.19.2