From: Michael Wang <[email protected]> Add the facility for user to configure the dynamical domain flags and enable/disable it.
Signed-off-by: Michael Wang <[email protected]> --- kernel/cpuset.c | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 85 insertions(+), 0 deletions(-) diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 066c61c..5ff649d 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -1506,6 +1506,17 @@ typedef enum { FILE_MEM_HARDWALL, FILE_SCHED_LOAD_BALANCE, FILE_SCHED_RELAX_DOMAIN_LEVEL, +#ifdef CONFIG_SCHED_SMT + FILE_SCHED_SMT_DDF, +#endif +#ifdef CONFIG_SCHED_MC + FILE_SCHED_MC_DDF, +#endif +#ifdef CONFIG_SCHED_BOOK + FILE_SCHED_BOOK_DDF, +#endif + FILE_SCHED_CPU_DDF, + FILE_SCHED_ENABLE_DDF, FILE_MEMORY_PRESSURE_ENABLED, FILE_MEMORY_PRESSURE, FILE_SPREAD_PAGE, @@ -1549,6 +1560,27 @@ static int cpuset_write_u64(struct cgroup *cgrp, struct cftype *cft, u64 val) case FILE_SPREAD_SLAB: retval = update_flag(CS_SPREAD_SLAB, cs, val); break; +#ifdef CONFIG_SCHED_SMT + case FILE_SCHED_SMT_DDF: + retval = update_ddf(SMT_DDF, cs, val); + break; +#endif +#ifdef CONFIG_SCHED_MC + case FILE_SCHED_MC_DDF: + retval = update_ddf(MC_DDF, cs, val); + break; +#endif +#ifdef CONFIG_SCHED_BOOK + case FILE_SCHED_BOOK_DDF: + retval = update_ddf(BOOK_DDF, cs, val); + break; +#endif + case FILE_SCHED_CPU_DDF: + retval = update_ddf(CPU_DDF, cs, val); + break; + case FILE_SCHED_ENABLE_DDF: + retval = enable_ddf(cs, val); + break; default: retval = -EINVAL; break; @@ -1708,6 +1740,22 @@ static u64 cpuset_read_u64(struct cgroup *cont, struct cftype *cft) return is_spread_page(cs); case FILE_SPREAD_SLAB: return is_spread_slab(cs); +#ifdef CONFIG_SCHED_SMT + case FILE_SCHED_SMT_DDF: + return cs->ddf[SMT_DDF]; +#endif +#ifdef CONFIG_SCHED_MC + case FILE_SCHED_MC_DDF: + return cs->ddf[MC_DDF]; +#endif +#ifdef CONFIG_SCHED_BOOK + case FILE_SCHED_BOOK_DDF: + return cs->ddf[BOOK_DDF]; +#endif + case FILE_SCHED_CPU_DDF: + return cs->ddf[CPU_DDF]; + case FILE_SCHED_ENABLE_DDF: + return cs->enable_ddf; default: BUG(); } @@ -1788,6 +1836,43 @@ static struct cftype files[] = { .private = FILE_SCHED_RELAX_DOMAIN_LEVEL, }, +#ifdef CONFIG_SCHED_SMT + { + .name = "sched_smt_domain_flag", + .read_u64 = cpuset_read_u64, + .write_u64 = cpuset_write_u64, + .private = FILE_SCHED_SMT_DDF, + }, +#endif +#ifdef CONFIG_SCHED_MC + { + .name = "sched_mc_domain_flag", + .read_u64 = cpuset_read_u64, + .write_u64 = cpuset_write_u64, + .private = FILE_SCHED_MC_DDF, + }, +#endif +#ifdef CONFIG_SCHED_BOOK + { + .name = "sched_book_domain_flag", + .read_u64 = cpuset_read_u64, + .write_u64 = cpuset_write_u64, + .private = FILE_SCHED_BOOK_DDF, + }, +#endif + { + .name = "sched_cpu_domain_flag", + .read_u64 = cpuset_read_u64, + .write_u64 = cpuset_write_u64, + .private = FILE_SCHED_CPU_DDF, + }, + { + .name = "sched_enable_domain_flag", + .read_u64 = cpuset_read_u64, + .write_u64 = cpuset_write_u64, + .private = FILE_SCHED_ENABLE_DDF, + }, + { .name = "memory_migrate", .read_u64 = cpuset_read_u64, -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
