{"id":2235046,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2235046/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260508131647.43868-11-frederic@kernel.org/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/1.2/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"<20260508131647.43868-11-frederic@kernel.org>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20260508131647.43868-11-frederic@kernel.org/","date":"2026-05-08T13:16:42","name":"[10/15] tick/sched: Remove unused fields","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"b4081c97f7fd5c308b88b55009cc632f017b81d7","submitter":{"id":79411,"url":"http://patchwork.ozlabs.org/api/1.2/people/79411/?format=json","name":"Frederic Weisbecker","email":"frederic@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260508131647.43868-11-frederic@kernel.org/mbox/","series":[{"id":503389,"url":"http://patchwork.ozlabs.org/api/1.2/series/503389/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=503389","date":"2026-05-08T13:16:32","name":"tick/sched: Refactor idle cputime accounting","version":4,"mbox":"http://patchwork.ozlabs.org/series/503389/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2235046/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2235046/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=st3/qLJS;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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lists.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=kernel.org;\n dkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=st3/qLJS; dkim-atps=neutral;\n spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org;\n envelope-from=frederic@kernel.org;\n receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1778246310;\n\tbh=ys77JzOHsGhhBTcp66sZM78DJ9qkVtsl0EVl5+hyt7Y=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=st3/qLJS26Zd62YfHNmDD9M+dmAGI2ZGRGPXtUJamNMnvir33lqR4cJFlq9a7A9RW\n\t XqhyxjAYo4Yhj7KJeEWqTGyNc+PeUgf7kqIJsqFqkr0MU5IsE7n3LBRutw/ePjFCIU\n\t EBKlVbF8stCR6y3oMQIto6yXwkq7qjWoK70Y8ODM3OhGdoO94BEbVuU6taqFScqkOq\n\t fagf7qZQWe/3fpZOotu5SgDTVFABbTEGtnOj0vcVCrW4mq/qzJySzCtJvs98Kb6wcr\n\t 8Z2dO2zmWaQm7qsWAuFurpZ/hKkSk0ZKuIQxhYq3efFPyYGTDoXPLhZzhOv/pKTpnY\n\t vDQ3drmy5Wo1w==","From":"Frederic Weisbecker ","To":"LKML ","Cc":"Frederic Weisbecker ,\n\t\"Christophe Leroy (CS GROUP)\" ,\n\t\"Rafael J. Wysocki\" ,\n\tAlexander Gordeev ,\n\tAnna-Maria Behnsen ,\n\tBen Segall , Boqun Feng ,\n\tChristian Borntraeger ,\n\tDietmar Eggemann ,\n\tHeiko Carstens , Ingo Molnar ,\n\tIngo Molnar , Jan Kiszka ,\n\tJoel Fernandes ,\n\tJuri Lelli ,\n\tKieran Bingham ,\n\tMadhavan Srinivasan ,\n\tMel Gorman , Michael Ellerman ,\n\tNeeraj Upadhyay ,\n\tNicholas Piggin ,\n\t\"Paul E . McKenney\" ,\n\tPeter Zijlstra , Sashiko@lists.ozlabs.org,\n\tShrikanth Hegde ,\n\tSteven Rostedt ,\n\tSven Schnelle ,\n\tThomas Gleixner ,\n\tUladzislau Rezki ,\n\tValentin Schneider ,\n\tVasily Gorbik ,\n\tVincent Guittot ,\n\tViresh Kumar ,\n\tXin Zhao , linux-pm@vger.kernel.org,\n\tlinux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org","Subject":"[PATCH 10/15] tick/sched: Remove unused fields","Date":"Fri, 8 May 2026 15:16:42 +0200","Message-ID":"<20260508131647.43868-11-frederic@kernel.org>","X-Mailer":"git-send-email 2.53.0","In-Reply-To":"<20260508131647.43868-1-frederic@kernel.org>","References":"<20260508131647.43868-1-frederic@kernel.org>","X-Mailing-List":"linuxppc-dev@lists.ozlabs.org","List-Id":"","List-Help":"","List-Owner":"","List-Post":"","List-Archive":",\n ","List-Subscribe":",\n ,\n ","List-Unsubscribe":"","Precedence":"list","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Spam-Status":"No, score=-0.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,\n\tDKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS\n\tautolearn=disabled version=4.0.1 OzLabs 8","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org"},"content":"Remove fields after the dyntick-idle cputime migration to scheduler\ncode.\n\nSigned-off-by: Frederic Weisbecker \nTested-by: Shrikanth Hegde \n---\n kernel/time/tick-sched.h | 12 ------------\n kernel/time/timer_list.c | 6 +-----\n scripts/gdb/linux/timerlist.py | 4 ----\n 3 files changed, 1 insertion(+), 21 deletions(-)","diff":"diff --git a/kernel/time/tick-sched.h b/kernel/time/tick-sched.h\nindex b4a7822f495d..79b9252047b1 100644\n--- a/kernel/time/tick-sched.h\n+++ b/kernel/time/tick-sched.h\n@@ -44,9 +44,7 @@ struct tick_device {\n *\t\t\tto resume the tick timer operation in the timeline\n *\t\t\twhen the CPU returns from nohz sleep.\n * @next_tick:\t\tNext tick to be fired when in dynticks mode.\n- * @idle_jiffies:\tjiffies at the entry to idle for idle time accounting\n * @idle_waketime:\tTime when the idle was interrupted\n- * @idle_sleeptime_seq:\tsequence counter for data consistency\n * @idle_entrytime:\tTime when the idle call was entered\n * @last_jiffies:\tBase jiffies snapshot when next event was last computed\n * @timer_expires_base:\tBase time clock monotonic for @timer_expires\n@@ -55,9 +53,6 @@ struct tick_device {\n * @idle_expires:\tNext tick in idle, for debugging purpose only\n * @idle_calls:\t\tTotal number of idle calls\n * @idle_sleeps:\tNumber of idle calls, where the sched tick was stopped\n- * @idle_exittime:\tTime when the idle state was left\n- * @idle_sleeptime:\tSum of the time slept in idle with sched tick stopped\n- * @iowait_sleeptime:\tSum of the time slept in idle with sched tick stopped, with IO outstanding\n * @tick_dep_mask:\tTick dependency mask - is set, if someone needs the tick\n * @check_clocks:\tNotification mechanism about clocksource changes\n */\n@@ -73,12 +68,10 @@ struct tick_sched {\n \tstruct hrtimer\t\t\tsched_timer;\n \tktime_t\t\t\t\tlast_tick;\n \tktime_t\t\t\t\tnext_tick;\n-\tunsigned long\t\t\tidle_jiffies;\n \tktime_t\t\t\t\tidle_waketime;\n \tunsigned int\t\t\tgot_idle_tick;\n \n \t/* Idle entry */\n-\tseqcount_t\t\t\tidle_sleeptime_seq;\n \tktime_t\t\t\t\tidle_entrytime;\n \n \t/* Tick stop */\n@@ -90,11 +83,6 @@ struct tick_sched {\n \tunsigned long\t\t\tidle_calls;\n \tunsigned long\t\t\tidle_sleeps;\n \n-\t/* Idle exit */\n-\tktime_t\t\t\t\tidle_exittime;\n-\tktime_t\t\t\t\tidle_sleeptime;\n-\tktime_t\t\t\t\tiowait_sleeptime;\n-\n \t/* Full dynticks handling */\n \tatomic_t\t\t\ttick_dep_mask;\n \ndiff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c\nindex 427d7ddea3af..514802def1e0 100644\n--- a/kernel/time/timer_list.c\n+++ b/kernel/time/timer_list.c\n@@ -152,14 +152,10 @@ static void print_cpu(struct seq_file *m, int cpu, u64 now)\n \t\tP_flag(highres, TS_FLAG_HIGHRES);\n \t\tP_ns(last_tick);\n \t\tP_flag(tick_stopped, TS_FLAG_STOPPED);\n-\t\tP(idle_jiffies);\n \t\tP(idle_calls);\n \t\tP(idle_sleeps);\n \t\tP_ns(idle_entrytime);\n \t\tP_ns(idle_waketime);\n-\t\tP_ns(idle_exittime);\n-\t\tP_ns(idle_sleeptime);\n-\t\tP_ns(iowait_sleeptime);\n \t\tP(last_jiffies);\n \t\tP(next_timer);\n \t\tP_ns(idle_expires);\n@@ -256,7 +252,7 @@ static void timer_list_show_tickdevices_header(struct seq_file *m)\n \n static inline void timer_list_header(struct seq_file *m, u64 now)\n {\n-\tSEQ_printf(m, \"Timer List Version: v0.10\\n\");\n+\tSEQ_printf(m, \"Timer List Version: v0.11\\n\");\n \tSEQ_printf(m, \"HRTIMER_MAX_CLOCK_BASES: %d\\n\", HRTIMER_MAX_CLOCK_BASES);\n \tSEQ_printf(m, \"now at %Ld nsecs\\n\", (unsigned long long)now);\n \tSEQ_printf(m, \"\\n\");\ndiff --git a/scripts/gdb/linux/timerlist.py b/scripts/gdb/linux/timerlist.py\nindex 9fb3436a217c..744b032e4d38 100644\n--- a/scripts/gdb/linux/timerlist.py\n+++ b/scripts/gdb/linux/timerlist.py\n@@ -90,14 +90,10 @@ def print_cpu(hrtimer_bases, cpu, max_clock_bases):\n text += f\" .{'nohz':15s}: {int(bool(ts['flags'] & TS_FLAG_NOHZ))}\\n\"\n text += f\" .{'last_tick':15s}: {ts['last_tick']}\\n\"\n text += f\" .{'tick_stopped':15s}: {int(bool(ts['flags'] & TS_FLAG_STOPPED))}\\n\"\n- text += f\" .{'idle_jiffies':15s}: {ts['idle_jiffies']}\\n\"\n text += f\" .{'idle_calls':15s}: {ts['idle_calls']}\\n\"\n text += f\" .{'idle_sleeps':15s}: {ts['idle_sleeps']}\\n\"\n text += f\" .{'idle_entrytime':15s}: {ts['idle_entrytime']} nsecs\\n\"\n text += f\" .{'idle_waketime':15s}: {ts['idle_waketime']} nsecs\\n\"\n- text += f\" .{'idle_exittime':15s}: {ts['idle_exittime']} nsecs\\n\"\n- text += f\" .{'idle_sleeptime':15s}: {ts['idle_sleeptime']} nsecs\\n\"\n- text += f\" .{'iowait_sleeptime':15s}: {ts['iowait_sleeptime']} nsecs\\n\"\n text += f\" .{'last_jiffies':15s}: {ts['last_jiffies']}\\n\"\n text += f\" .{'next_timer':15s}: {ts['next_timer']}\\n\"\n text += f\" .{'idle_expires':15s}: {ts['idle_expires']} nsecs\\n\"\n","prefixes":["10/15"]}