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tick/sched: Remove unused fields

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Remove fields after the dyntick-idle cputime migration to scheduler code.

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Tested-by: Shrikanth Hegde <sshegde@linux.ibm.com>
Link: https://patch.msgid.link/20260508131647.43868-11-frederic@kernel.org
This commit is contained in:
Frederic Weisbecker
2026-05-08 15:16:42 +02:00
committed by Thomas Gleixner
parent a5fe724e20
commit 29807c524d
3 changed files with 1 additions and 21 deletions
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12
kernel/time/tick-sched.h
View File

@@ -44,9 +44,7 @@ struct tick_device {
* to resume the tick timer operation in the timeline
* when the CPU returns from nohz sleep.
* @next_tick: Next tick to be fired when in dynticks mode.
* @idle_jiffies: jiffies at the entry to idle for idle time accounting
* @idle_waketime: Time when the idle was interrupted
* @idle_sleeptime_seq: sequence counter for data consistency
* @idle_entrytime: Time when the idle call was entered
* @last_jiffies: Base jiffies snapshot when next event was last computed
* @timer_expires_base: Base time clock monotonic for @timer_expires
@@ -55,9 +53,6 @@ struct tick_device {
* @idle_expires: Next tick in idle, for debugging purpose only
* @idle_calls: Total number of idle calls
* @idle_sleeps: Number of idle calls, where the sched tick was stopped
* @idle_exittime: Time when the idle state was left
* @idle_sleeptime: Sum of the time slept in idle with sched tick stopped
* @iowait_sleeptime: Sum of the time slept in idle with sched tick stopped, with IO outstanding
* @tick_dep_mask: Tick dependency mask - is set, if someone needs the tick
* @check_clocks: Notification mechanism about clocksource changes
*/
@@ -73,12 +68,10 @@ struct tick_sched {
struct hrtimer sched_timer;
ktime_t last_tick;
ktime_t next_tick;
unsigned long idle_jiffies;
ktime_t idle_waketime;
unsigned int got_idle_tick;
/* Idle entry */
seqcount_t idle_sleeptime_seq;
ktime_t idle_entrytime;
/* Tick stop */
@@ -90,11 +83,6 @@ struct tick_sched {
unsigned long idle_calls;
unsigned long idle_sleeps;
/* Idle exit */
ktime_t idle_exittime;
ktime_t idle_sleeptime;
ktime_t iowait_sleeptime;
/* Full dynticks handling */
atomic_t tick_dep_mask;

6
kernel/time/timer_list.c
View File

@@ -152,14 +152,10 @@ static void print_cpu(struct seq_file *m, int cpu, u64 now)
P_flag(highres, TS_FLAG_HIGHRES);
P_ns(last_tick);
P_flag(tick_stopped, TS_FLAG_STOPPED);
P(idle_jiffies);
P(idle_calls);
P(idle_sleeps);
P_ns(idle_entrytime);
P_ns(idle_waketime);
P_ns(idle_exittime);
P_ns(idle_sleeptime);
P_ns(iowait_sleeptime);
P(last_jiffies);
P(next_timer);
P_ns(idle_expires);
@@ -256,7 +252,7 @@ static void timer_list_show_tickdevices_header(struct seq_file *m)
static inline void timer_list_header(struct seq_file *m, u64 now)
{
SEQ_printf(m, "Timer List Version: v0.10\n");
SEQ_printf(m, "Timer List Version: v0.11\n");
SEQ_printf(m, "HRTIMER_MAX_CLOCK_BASES: %d\n", HRTIMER_MAX_CLOCK_BASES);
SEQ_printf(m, "now at %Ld nsecs\n", (unsigned long long)now);
SEQ_printf(m, "\n");

4
scripts/gdb/linux/timerlist.py
View File

@@ -90,14 +90,10 @@ def print_cpu(hrtimer_bases, cpu, max_clock_bases):
text += f" .{'nohz':15s}: {int(bool(ts['flags'] & TS_FLAG_NOHZ))}\n"
text += f" .{'last_tick':15s}: {ts['last_tick']}\n"
text += f" .{'tick_stopped':15s}: {int(bool(ts['flags'] & TS_FLAG_STOPPED))}\n"
text += f" .{'idle_jiffies':15s}: {ts['idle_jiffies']}\n"
text += f" .{'idle_calls':15s}: {ts['idle_calls']}\n"
text += f" .{'idle_sleeps':15s}: {ts['idle_sleeps']}\n"
text += f" .{'idle_entrytime':15s}: {ts['idle_entrytime']} nsecs\n"
text += f" .{'idle_waketime':15s}: {ts['idle_waketime']} nsecs\n"
text += f" .{'idle_exittime':15s}: {ts['idle_exittime']} nsecs\n"
text += f" .{'idle_sleeptime':15s}: {ts['idle_sleeptime']} nsecs\n"
text += f" .{'iowait_sleeptime':15s}: {ts['iowait_sleeptime']} nsecs\n"
text += f" .{'last_jiffies':15s}: {ts['last_jiffies']}\n"
text += f" .{'next_timer':15s}: {ts['next_timer']}\n"
text += f" .{'idle_expires':15s}: {ts['idle_expires']} nsecs\n"