Commit-ID: 3ea40ac77261530b2c96734b99c0c9f1dc1d729d
Gitweb: https://git.kernel.org/tip/3ea40ac77261530b2c96734b99c0c9f1dc1d729d
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Sun, 12 May 2019 17:55:16 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 3 Jun 2019 11:58:25 +0200
perf/x86: Use update attribute groups for extra format
Using the new pmu::update_attrs attribute group for
extra "format" directory.
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20190512155518.21468-8-jolsa@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/events/intel/core.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index d4002e71a0b8..de4779f44737 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -4417,6 +4417,12 @@ lbr_is_visible(struct kobject *kobj, struct attribute *attr, int i)
return x86_pmu.lbr_nr ? attr->mode : 0;
}
+static umode_t
+exra_is_visible(struct kobject *kobj, struct attribute *attr, int i)
+{
+ return x86_pmu.version >= 2 ? attr->mode : 0;
+}
+
static struct attribute_group group_events_td = {
.name = "events",
};
@@ -4442,12 +4448,18 @@ static struct attribute_group group_caps_lbr = {
.is_visible = lbr_is_visible,
};
+static struct attribute_group group_format_extra = {
+ .name = "format",
+ .is_visible = exra_is_visible,
+};
+
static const struct attribute_group *attr_update[] = {
&group_events_td,
&group_events_mem,
&group_events_tsx,
&group_caps_gen,
&group_caps_lbr,
+ &group_format_extra,
NULL,
};
@@ -5016,15 +5028,11 @@ __init int intel_pmu_init(void)
snprintf(pmu_name_str, sizeof(pmu_name_str), "%s", name);
- if (version >= 2 && extra_attr) {
- x86_pmu.format_attrs = merge_attr(intel_arch3_formats_attr,
- extra_attr);
- WARN_ON(!x86_pmu.format_attrs);
- }
group_events_td.attrs = td_attr;
group_events_mem.attrs = mem_attr;
group_events_tsx.attrs = tsx_attr;
+ group_format_extra.attrs = extra_attr;
x86_pmu.attr_update = attr_update;
|