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Commit da600074 authored by Srivatsa Vaddagiri's avatar Srivatsa Vaddagiri Committed by Syed Rameez Mustafa
Browse files

sched: window-stats: Code cleanup 



Collapse duplicated comments about keeping few of sysctl knobs
initialized to same value as their non-sysctl copies

Change-Id: Idc8261d86b9f36e5f2f2ab845213bae268ae9028
Signed-off-by: default avatarSrivatsa Vaddagiri <vatsa@codeaurora.org>
parent dafe7914

kernel/sched/core.c

+16 −25
Original line number Diff line number Diff line
@@ -1119,16 +1119,26 @@ static inline void clear_hmp_request(int cpu) { } 


#if defined(CONFIG_SCHED_FREQ_INPUT) || defined(CONFIG_SCHED_HMP)



__read_mostly unsigned int sysctl_sched_ravg_hist_size = 5;



/*

 * copy of sysctl_sched_ravg_hist_size. Required for atomically

 * changing the ravg history size (see sched_ravg_hist_size_update_handler()

 * for details).

 * sched_window_stats_policy, sched_account_wait_time and sched_ravg_hist_size

 * have a 'sysctl' copy associated with them. This is required for atomic update

 * of those variables when being modifed via sysctl interface.

 *

 * Initialize both to same value!!

 * IMPORTANT: Initialize both copies to same value!!

 */



static __read_mostly unsigned int sched_ravg_hist_size = 5;

__read_mostly unsigned int sysctl_sched_ravg_hist_size = 5;





static __read_mostly unsigned int sched_window_stats_policy =

	 WINDOW_STATS_USE_AVG;

__read_mostly unsigned int sysctl_sched_window_stats_policy =

	WINDOW_STATS_USE_AVG;



static __read_mostly unsigned int sched_account_wait_time = 1;

__read_mostly unsigned int sysctl_sched_account_wait_time = 1;





/* Window size (in ns) */

__read_mostly unsigned int sched_ravg_window = 10000000;
@@ -1139,18 +1149,6 @@ __read_mostly unsigned int sched_ravg_window = 10000000; 
/* Max window size (in ns) = 1s */

#define MAX_SCHED_RAVG_WINDOW 1000000000



__read_mostly unsigned int sysctl_sched_window_stats_policy =

	WINDOW_STATS_USE_AVG;



/*

 * copy of sysctl_sched_window_stats_policy. Required for atomically

 * changing policy (see sched_window_stats_policy_update_handler() for details).

 *

 * Initialize both to same value!!

 */

static __read_mostly unsigned int sched_window_stats_policy =

	 WINDOW_STATS_USE_AVG;



/* 1 -> use PELT based load stats, 0 -> use window-based load stats */

unsigned int __read_mostly sched_use_pelt;
@@ -1160,13 +1158,6 @@ unsigned int min_possible_efficiency = 1024; 
__read_mostly int sysctl_sched_freq_inc_notify_slack_pct = -INT_MAX;

__read_mostly int sysctl_sched_freq_dec_notify_slack_pct = INT_MAX;



static __read_mostly unsigned int sched_account_wait_time = 1;

/*

 * Copy of sched_account_wait_time, used to change it atomically.

 * Initialize both variables to same value!!

 */

__read_mostly unsigned int sysctl_sched_account_wait_time = 1;



static __read_mostly unsigned int sched_io_is_busy;



/*