From 3ea40ac77261530b2c96734b99c0c9f1dc1d729d Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Sun, 12 May 2019 17:55:16 +0200 Subject: [PATCH] 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 Signed-off-by: Peter Zijlstra (Intel) Cc: Alexander Shishkin Cc: Arnaldo Carvalho de Melo Cc: Greg Kroah-Hartman Cc: Linus Torvalds Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Gleixner Link: https://lkml.kernel.org/r/20190512155518.21468-8-jolsa@kernel.org Signed-off-by: Ingo Molnar --- 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 d4002e7..de4779f 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; -- 2.7.4