[PATCH 5/8] sched: replace seq_puts by seq_putc

From: Maxim Moskalets
Date: Tue Mar 26 2024 - 14:47:47 EST


Using seq_putc for single characters is faster and more appropriate
than seq_puts, since only one character is passed and there is no need
to use a more powerful and less fast function.

Signed-off-by: Maxim Moskalets <Maxim.Moskalets@xxxxxxxxxxxxx>
---
kernel/sched/cpuacct.c | 4 ++--
kernel/sched/debug.c | 14 +++++++-------
2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/kernel/sched/cpuacct.c b/kernel/sched/cpuacct.c
index 0de9dda09949..0c1ce2e1c89b 100644
--- a/kernel/sched/cpuacct.c
+++ b/kernel/sched/cpuacct.c
@@ -245,14 +245,14 @@ static int cpuacct_all_seq_show(struct seq_file *m, void *V)
seq_puts(m, "cpu");
for (index = 0; index < CPUACCT_STAT_NSTATS; index++)
seq_printf(m, " %s", cpuacct_stat_desc[index]);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');

for_each_possible_cpu(cpu) {
seq_printf(m, "%d", cpu);
for (index = 0; index < CPUACCT_STAT_NSTATS; index++)
seq_printf(m, " %llu",
cpuacct_cpuusage_read(ca, cpu, index));
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
}
return 0;
}
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 8d5d98a5834d..03d78cff66e3 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -62,7 +62,7 @@ static int sched_feat_show(struct seq_file *m, void *v)
seq_puts(m, "NO_");
seq_printf(m, "%s ", sched_feat_names[i]);
}
- seq_puts(m, "\n");
+ seq_putc(m, '\n');

return 0;
}
@@ -251,15 +251,15 @@ static int sched_dynamic_show(struct seq_file *m, void *v)

for (i = 0; i < ARRAY_SIZE(preempt_modes); i++) {
if (preempt_dynamic_mode == i)
- seq_puts(m, "(");
+ seq_putc(m, '(');
seq_puts(m, preempt_modes[i]);
if (preempt_dynamic_mode == i)
- seq_puts(m, ")");
+ seq_putc(m, ')');

- seq_puts(m, " ");
+ seq_putc(m, ' ');
}

- seq_puts(m, "\n");
+ seq_putc(m, '\n');
return 0;
}

@@ -389,9 +389,9 @@ static int sd_flags_show(struct seq_file *m, void *v)

for_each_set_bit(idx, &flags, __SD_FLAG_CNT) {
seq_puts(m, sd_flag_debug[idx].name);
- seq_puts(m, " ");
+ seq_putc(m, ' ');
}
- seq_puts(m, "\n");
+ seq_putc(m, '\n');

return 0;
}
--
2.39.2