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perf trace: Introduce SCA_TIMESPEC_FROM_USER() to set .from_user = true

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Paving the way for the generic BPF BTF based syscall arg augmenter.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Howard Chu <howardchu95@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2024-09-09 16:57:22 -03:00
parent be14a71984
commit c790f2bafb
2 changed files with 7 additions and 2 deletions
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4
tools/perf/builtin-trace.c
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@ -1084,7 +1084,7 @@ static const struct syscall_fmt syscall_fmts[] = {
{ .name = "clock_gettime",
.arg = { [0] = STRARRAY(clk_id, clockid), }, },
{ .name = "clock_nanosleep",
.arg = { [2] = { .scnprintf = SCA_TIMESPEC, /* rqtp */ }, }, },
.arg = { [2] = SCA_TIMESPEC_FROM_USER(req), }, },
{ .name = "clone", .errpid = true, .nr_args = 5,
.arg = { [0] = { .name = "flags", .scnprintf = SCA_CLONE_FLAGS, },
[1] = { .name = "child_stack", .scnprintf = SCA_HEX, },
@ -1212,7 +1212,7 @@ static const struct syscall_fmt syscall_fmts[] = {
{ .name = "name_to_handle_at",
.arg = { [0] = { .scnprintf = SCA_FDAT, /* dfd */ }, }, },
{ .name = "nanosleep",
.arg = { [0] = { .scnprintf = SCA_TIMESPEC, /* req */ }, }, },
.arg = { [0] = SCA_TIMESPEC_FROM_USER(req), }, },
{ .name = "newfstatat", .alias = "fstatat",
.arg = { [0] = { .scnprintf = SCA_FDAT, /* dirfd */ },
[1] = SCA_FILENAME_FROM_USER(pathname),

5
tools/perf/trace/beauty/beauty.h
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@ -255,6 +255,11 @@ size_t syscall_arg__scnprintf_sync_file_range_flags(char *bf, size_t size, struc
size_t syscall_arg__scnprintf_timespec(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_TIMESPEC syscall_arg__scnprintf_timespec
// 'argname' is just documentational at this point, to remove the previous comment with that info
#define SCA_TIMESPEC_FROM_USER(argname) \
{ .scnprintf = SCA_TIMESPEC, \
.from_user = true, }
size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix);
void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg,