perf trace: Switch to using a struct for the aumented_raw_syscalls syscalls map values

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 <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-vac4sn1ns1vj4y07lzj7y4b8@git.kernel.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 27f2992e
......@@ -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;
}
......
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