Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index faada71..70a5782 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -243,6 +243,60 @@
entry->proc_handler = proc_handler;
}
+static int sd_ctl_doflags(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ unsigned long flags = *(unsigned long *)table->data;
+ size_t data_size = 0;
+ size_t len = 0;
+ char *tmp, *buf;
+ int idx;
+
+ if (write)
+ return 0;
+
+ for_each_set_bit(idx, &flags, __SD_FLAG_CNT) {
+ char *name = sd_flag_debug[idx].name;
+
+ /* Name plus whitespace */
+ data_size += strlen(name) + 1;
+ }
+
+ if (*ppos > data_size) {
+ *lenp = 0;
+ return 0;
+ }
+
+ buf = kcalloc(data_size + 1, sizeof(*buf), GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ for_each_set_bit(idx, &flags, __SD_FLAG_CNT) {
+ char *name = sd_flag_debug[idx].name;
+
+ len += snprintf(buf + len, strlen(name) + 2, "%s ", name);
+ }
+
+ tmp = buf + *ppos;
+ len -= *ppos;
+
+ if (len > *lenp)
+ len = *lenp;
+ if (len)
+ memcpy(buffer, tmp, len);
+ if (len < *lenp) {
+ ((char *)buffer)[len] = '\n';
+ len++;
+ }
+
+ *lenp = len;
+ *ppos += len;
+
+ kfree(buf);
+
+ return 0;
+}
+
static struct ctl_table *
sd_alloc_ctl_domain_table(struct sched_domain *sd)
{
@@ -256,7 +310,7 @@
set_table_entry(&table[2], "busy_factor", &sd->busy_factor, sizeof(int), 0644, proc_dointvec_minmax);
set_table_entry(&table[3], "imbalance_pct", &sd->imbalance_pct, sizeof(int), 0644, proc_dointvec_minmax);
set_table_entry(&table[4], "cache_nice_tries", &sd->cache_nice_tries, sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[5], "flags", &sd->flags, sizeof(int), 0444, proc_dointvec_minmax);
+ set_table_entry(&table[5], "flags", &sd->flags, sizeof(int), 0444, sd_ctl_doflags);
set_table_entry(&table[6], "max_newidle_lb_cost", &sd->max_newidle_lb_cost, sizeof(long), 0644, proc_doulongvec_minmax);
set_table_entry(&table[7], "name", sd->name, CORENAME_MAX_SIZE, 0444, proc_dostring);
/* &table[8] is terminator */
@@ -400,11 +454,10 @@
}
P(se->load.weight);
- P(se->runnable_weight);
#ifdef CONFIG_SMP
P(se->avg.load_avg);
P(se->avg.util_avg);
- P(se->avg.runnable_load_avg);
+ P(se->avg.runnable_avg);
#endif
#undef PN_SCHEDSTAT
@@ -457,7 +510,7 @@
else
SEQ_printf(m, " %c", task_state_to_char(p));
- SEQ_printf(m, "%15s %5d %9Ld.%06ld %9Ld %5d ",
+ SEQ_printf(m, " %15s %5d %9Ld.%06ld %9Ld %5d ",
p->comm, task_pid_nr(p),
SPLIT_NS(p->se.vruntime),
(long long)(p->nvcsw + p->nivcsw),
@@ -484,10 +537,10 @@
SEQ_printf(m, "\n");
SEQ_printf(m, "runnable tasks:\n");
- SEQ_printf(m, " S task PID tree-key switches prio"
+ SEQ_printf(m, " S task PID tree-key switches prio"
" wait-time sum-exec sum-sleep\n");
SEQ_printf(m, "-------------------------------------------------------"
- "----------------------------------------------------\n");
+ "------------------------------------------------------\n");
rcu_read_lock();
for_each_process_thread(g, p) {
@@ -543,11 +596,10 @@
SEQ_printf(m, " .%-30s: %d\n", "nr_running", cfs_rq->nr_running);
SEQ_printf(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight);
#ifdef CONFIG_SMP
- SEQ_printf(m, " .%-30s: %ld\n", "runnable_weight", cfs_rq->runnable_weight);
SEQ_printf(m, " .%-30s: %lu\n", "load_avg",
cfs_rq->avg.load_avg);
- SEQ_printf(m, " .%-30s: %lu\n", "runnable_load_avg",
- cfs_rq->avg.runnable_load_avg);
+ SEQ_printf(m, " .%-30s: %lu\n", "runnable_avg",
+ cfs_rq->avg.runnable_avg);
SEQ_printf(m, " .%-30s: %lu\n", "util_avg",
cfs_rq->avg.util_avg);
SEQ_printf(m, " .%-30s: %u\n", "util_est_enqueued",
@@ -556,8 +608,8 @@
cfs_rq->removed.load_avg);
SEQ_printf(m, " .%-30s: %ld\n", "removed.util_avg",
cfs_rq->removed.util_avg);
- SEQ_printf(m, " .%-30s: %ld\n", "removed.runnable_sum",
- cfs_rq->removed.runnable_sum);
+ SEQ_printf(m, " .%-30s: %ld\n", "removed.runnable_avg",
+ cfs_rq->removed.runnable_avg);
#ifdef CONFIG_FAIR_GROUP_SCHED
SEQ_printf(m, " .%-30s: %lu\n", "tg_load_avg_contrib",
cfs_rq->tg_load_avg_contrib);
@@ -658,7 +710,6 @@
P(nr_running);
P(nr_switches);
- P(nr_load_updates);
P(nr_uninterruptible);
PN(next_balance);
SEQ_printf(m, " .%-30s: %ld\n", "curr->pid", (long)(task_pid_nr(rq->curr)));
@@ -767,9 +818,16 @@
int cpu;
sched_debug_header(NULL);
- for_each_online_cpu(cpu)
+ for_each_online_cpu(cpu) {
+ /*
+ * Need to reset softlockup watchdogs on all CPUs, because
+ * another CPU might be blocked waiting for us to process
+ * an IPI or stop_machine.
+ */
+ touch_nmi_watchdog();
+ touch_all_softlockup_watchdogs();
print_cpu(NULL, cpu);
-
+ }
}
/*
@@ -827,10 +885,13 @@
__initcall(init_sched_debug_procfs);
-#define __P(F) SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F)
-#define P(F) SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F)
-#define __PN(F) SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F))
-#define PN(F) SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F))
+#define __PS(S, F) SEQ_printf(m, "%-45s:%21Ld\n", S, (long long)(F))
+#define __P(F) __PS(#F, F)
+#define P(F) __PS(#F, p->F)
+#define PM(F, M) __PS(#F, p->F & (M))
+#define __PSN(S, F) SEQ_printf(m, "%-45s:%14Ld.%06ld\n", S, SPLIT_NS((long long)(F)))
+#define __PN(F) __PSN(#F, F)
+#define PN(F) __PSN(#F, p->F)
#ifdef CONFIG_NUMA_BALANCING
@@ -879,18 +940,9 @@
SEQ_printf(m,
"---------------------------------------------------------"
"----------\n");
-#define __P(F) \
- SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F)
-#define P(F) \
- SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F)
-#define P_SCHEDSTAT(F) \
- SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)schedstat_val(p->F))
-#define __PN(F) \
- SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F))
-#define PN(F) \
- SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F))
-#define PN_SCHEDSTAT(F) \
- SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)schedstat_val(p->F)))
+
+#define P_SCHEDSTAT(F) __PS(#F, schedstat_val(p->F))
+#define PN_SCHEDSTAT(F) __PSN(#F, schedstat_val(p->F))
PN(se.exec_start);
PN(se.vruntime);
@@ -950,23 +1002,26 @@
}
__P(nr_switches);
- SEQ_printf(m, "%-45s:%21Ld\n",
- "nr_voluntary_switches", (long long)p->nvcsw);
- SEQ_printf(m, "%-45s:%21Ld\n",
- "nr_involuntary_switches", (long long)p->nivcsw);
+ __PS("nr_voluntary_switches", p->nvcsw);
+ __PS("nr_involuntary_switches", p->nivcsw);
P(se.load.weight);
- P(se.runnable_weight);
#ifdef CONFIG_SMP
P(se.avg.load_sum);
- P(se.avg.runnable_load_sum);
+ P(se.avg.runnable_sum);
P(se.avg.util_sum);
P(se.avg.load_avg);
- P(se.avg.runnable_load_avg);
+ P(se.avg.runnable_avg);
P(se.avg.util_avg);
P(se.avg.last_update_time);
P(se.avg.util_est.ewma);
- P(se.avg.util_est.enqueued);
+ PM(se.avg.util_est.enqueued, ~UTIL_AVG_UNCHANGED);
+#endif
+#ifdef CONFIG_UCLAMP_TASK
+ __PS("uclamp.min", p->uclamp_req[UCLAMP_MIN].value);
+ __PS("uclamp.max", p->uclamp_req[UCLAMP_MAX].value);
+ __PS("effective uclamp.min", uclamp_eff_value(p, UCLAMP_MIN));
+ __PS("effective uclamp.max", uclamp_eff_value(p, UCLAMP_MAX));
#endif
P(policy);
P(prio);
@@ -975,11 +1030,7 @@
P(dl.deadline);
}
#undef PN_SCHEDSTAT
-#undef PN
-#undef __PN
#undef P_SCHEDSTAT
-#undef P
-#undef __P
{
unsigned int this_cpu = raw_smp_processor_id();
@@ -987,8 +1038,7 @@
t0 = cpu_clock(this_cpu);
t1 = cpu_clock(this_cpu);
- SEQ_printf(m, "%-45s:%21Ld\n",
- "clock-delta", (long long)(t1-t0));
+ __PS("clock-delta", t1-t0);
}
sched_show_numa(p, m);