Messages in this thread Patch in this message | | | Date | Tue, 28 Mar 2023 11:26:34 +0200 | From | Peter Zijlstra <> | Subject | [PATCH 12/17] sched/debug: Rename min_granularity to base_slice |
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Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> --- kernel/sched/debug.c | 4 ++-- kernel/sched/fair.c | 10 +++++----- kernel/sched/sched.h | 2 +- 3 files changed, 8 insertions(+), 8 deletions(-)
--- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -308,7 +308,7 @@ static __init int sched_init_debug(void) debugfs_create_file("preempt", 0644, debugfs_sched, NULL, &sched_dynamic_fops); #endif - debugfs_create_u32("min_granularity_ns", 0644, debugfs_sched, &sysctl_sched_min_granularity); + debugfs_create_u32("base_slice_ns", 0644, debugfs_sched, &sysctl_sched_base_slice); debugfs_create_u32("latency_warn_ms", 0644, debugfs_sched, &sysctl_resched_latency_warn_ms); debugfs_create_u32("latency_warn_once", 0644, debugfs_sched, &sysctl_resched_latency_warn_once); @@ -816,7 +816,7 @@ static void sched_debug_header(struct se SEQ_printf(m, " .%-40s: %Ld\n", #x, (long long)(x)) #define PN(x) \ SEQ_printf(m, " .%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x)) - PN(sysctl_sched_min_granularity); + PN(sysctl_sched_base_slice); P(sysctl_sched_child_runs_first); P(sysctl_sched_features); #undef PN --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -75,8 +75,8 @@ unsigned int sysctl_sched_tunable_scalin * * (default: 0.75 msec * (1 + ilog(ncpus)), units: nanoseconds) */ -unsigned int sysctl_sched_min_granularity = 750000ULL; -static unsigned int normalized_sysctl_sched_min_granularity = 750000ULL; +unsigned int sysctl_sched_base_slice = 750000ULL; +static unsigned int normalized_sysctl_sched_base_slice = 750000ULL; /* * After fork, child runs first. If set to 0 (default) then @@ -237,7 +237,7 @@ static void update_sysctl(void) #define SET_SYSCTL(name) \ (sysctl_##name = (factor) * normalized_sysctl_##name) - SET_SYSCTL(sched_min_granularity); + SET_SYSCTL(sched_base_slice); #undef SET_SYSCTL } @@ -882,7 +882,7 @@ int sched_update_scaling(void) #define WRT_SYSCTL(name) \ (normalized_sysctl_##name = sysctl_##name / (factor)) - WRT_SYSCTL(sched_min_granularity); + WRT_SYSCTL(sched_base_slice); #undef WRT_SYSCTL return 0; @@ -892,7 +892,7 @@ int sched_update_scaling(void) long calc_latency_offset(int prio) { u32 weight = sched_prio_to_weight[prio]; - u64 base = sysctl_sched_min_granularity; + u64 base = sysctl_sched_base_slice; return div_u64(base << SCHED_FIXEDPOINT_SHIFT, weight); } --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -2464,7 +2464,7 @@ extern const_debug unsigned int sysctl_s extern const_debug unsigned int sysctl_sched_migration_cost; #ifdef CONFIG_SCHED_DEBUG -extern unsigned int sysctl_sched_min_granularity; +extern unsigned int sysctl_sched_base_slice; extern int sysctl_resched_latency_warn_ms; extern int sysctl_resched_latency_warn_once;
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