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Subject[tip: perf/core] perf trace: Move some scnprintf methods from syscall to syscall_arg_fmt
The following commit has been merged into the perf/core branch of tip:

Commit-ID: 3e0c9b2cfaed25599a0a5cbd40e37871bdb10523
Gitweb: https://git.kernel.org/tip/3e0c9b2cfaed25599a0a5cbd40e37871bdb10523
Author: Arnaldo Carvalho de Melo <acme@redhat.com>
AuthorDate: Fri, 04 Oct 2019 11:30:41 -03:00
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitterDate: Mon, 07 Oct 2019 12:22:18 -03:00

perf trace: Move some scnprintf methods from syscall to syscall_arg_fmt

Since all they operate on is on a syscall_arg_fmt instance, so move them
to allow use it from the upcoming tracepoint fprintf routine.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-ynttrs1l75f0x9tk67spd7jd@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-trace.c | 25 +++++++++++++------------
1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index aa70602..82d39ef 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1715,22 +1715,22 @@ static size_t syscall__scnprintf_name(struct syscall *sc, char *bf, size_t size,
* as mount 'flags' argument that needs ignoring some magic flag, see comment
* in tools/perf/trace/beauty/mount_flags.c
*/
-static unsigned long syscall__mask_val(struct syscall *sc, struct syscall_arg *arg, unsigned long val)
+static unsigned long syscall_arg_fmt__mask_val(struct syscall_arg_fmt *fmt, struct syscall_arg *arg, unsigned long val)
{
- if (sc->arg_fmt && sc->arg_fmt[arg->idx].mask_val)
- return sc->arg_fmt[arg->idx].mask_val(arg, val);
+ if (fmt && fmt->mask_val)
+ return fmt->mask_val(arg, val);

return val;
}

-static size_t syscall__scnprintf_val(struct syscall *sc, char *bf, size_t size,
- struct syscall_arg *arg, unsigned long val)
+static size_t syscall_arg_fmt__scnprintf_val(struct syscall_arg_fmt *fmt, char *bf, size_t size,
+ struct syscall_arg *arg, unsigned long val)
{
- if (sc->arg_fmt && sc->arg_fmt[arg->idx].scnprintf) {
+ if (fmt && fmt->scnprintf) {
arg->val = val;
- if (sc->arg_fmt[arg->idx].parm)
- arg->parm = sc->arg_fmt[arg->idx].parm;
- return sc->arg_fmt[arg->idx].scnprintf(bf, size, arg);
+ if (fmt->parm)
+ arg->parm = fmt->parm;
+ return fmt->scnprintf(bf, size, arg);
}
return scnprintf(bf, size, "%ld", val);
}
@@ -1776,7 +1776,7 @@ static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size,
* Some syscall args need some mask, most don't and
* return val untouched.
*/
- val = syscall__mask_val(sc, &arg, val);
+ val = syscall_arg_fmt__mask_val(&sc->arg_fmt[arg.idx], &arg, val);

/*
* Suppress this argument if its value is zero and
@@ -1797,7 +1797,8 @@ static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size,
if (trace->show_arg_names)
printed += scnprintf(bf + printed, size - printed, "%s: ", field->name);

- printed += syscall__scnprintf_val(sc, bf + printed, size - printed, &arg, val);
+ printed += syscall_arg_fmt__scnprintf_val(&sc->arg_fmt[arg.idx],
+ bf + printed, size - printed, &arg, val);
}
} else if (IS_ERR(sc->tp_format)) {
/*
@@ -1812,7 +1813,7 @@ static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size,
if (printed)
printed += scnprintf(bf + printed, size - printed, ", ");
printed += syscall__scnprintf_name(sc, bf + printed, size - printed, &arg);
- printed += syscall__scnprintf_val(sc, bf + printed, size - printed, &arg, val);
+ printed += syscall_arg_fmt__scnprintf_val(&sc->arg_fmt[arg.idx], bf + printed, size - printed, &arg, val);
next_arg:
++arg.idx;
bit <<= 1;
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