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-rw-r--r--fs/f2fs/sysfs.c97
1 files changed, 82 insertions, 15 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 3162f46b3c9b..e877c59b9fdb 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -15,6 +15,7 @@
#include "f2fs.h"
#include "segment.h"
#include "gc.h"
+#include <trace/events/f2fs.h>
static struct proc_dir_entry *f2fs_proc_root;
@@ -372,7 +373,6 @@ out:
return count;
}
-
if (!strcmp(a->attr.name, "iostat_enable")) {
sbi->iostat_enable = !!t;
if (!sbi->iostat_enable)
@@ -380,6 +380,15 @@ out:
return count;
}
+ if (!strcmp(a->attr.name, "iostat_period_ms")) {
+ if (t < MIN_IOSTAT_PERIOD_MS || t > MAX_IOSTAT_PERIOD_MS)
+ return -EINVAL;
+ spin_lock(&sbi->iostat_lock);
+ sbi->iostat_period_ms = (unsigned int)t;
+ spin_unlock(&sbi->iostat_lock);
+ return count;
+ }
+
*ui = (unsigned int)t;
return count;
@@ -538,6 +547,7 @@ F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_idle_interval, interval_time[GC_TIME]);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info,
umount_discard_timeout, interval_time[UMOUNT_DISCARD_TIMEOUT]);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_enable, iostat_enable);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_period_ms, iostat_period_ms);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, readdir_ra, readdir_ra);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_pin_file_thresh, gc_pin_file_threshold);
F2FS_RW_ATTR(F2FS_SBI, f2fs_super_block, extension_list, extension_list);
@@ -545,6 +555,8 @@ F2FS_RW_ATTR(F2FS_SBI, f2fs_super_block, extension_list, extension_list);
F2FS_RW_ATTR(FAULT_INFO_RATE, f2fs_fault_info, inject_rate, inject_rate);
F2FS_RW_ATTR(FAULT_INFO_TYPE, f2fs_fault_info, inject_type, inject_type);
#endif
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, data_io_flag, data_io_flag);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, node_io_flag, node_io_flag);
F2FS_GENERAL_RO_ATTR(dirty_segments);
F2FS_GENERAL_RO_ATTR(free_segments);
F2FS_GENERAL_RO_ATTR(lifetime_write_kbytes);
@@ -618,6 +630,7 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(gc_idle_interval),
ATTR_LIST(umount_discard_timeout),
ATTR_LIST(iostat_enable),
+ ATTR_LIST(iostat_period_ms),
ATTR_LIST(readdir_ra),
ATTR_LIST(gc_pin_file_thresh),
ATTR_LIST(extension_list),
@@ -625,6 +638,8 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(inject_rate),
ATTR_LIST(inject_type),
#endif
+ ATTR_LIST(data_io_flag),
+ ATTR_LIST(node_io_flag),
ATTR_LIST(dirty_segments),
ATTR_LIST(free_segments),
ATTR_LIST(unusable),
@@ -754,6 +769,33 @@ static int __maybe_unused segment_bits_seq_show(struct seq_file *seq,
return 0;
}
+void f2fs_record_iostat(struct f2fs_sb_info *sbi)
+{
+ unsigned long long iostat_diff[NR_IO_TYPE];
+ int i;
+
+ if (time_is_after_jiffies(sbi->iostat_next_period))
+ return;
+
+ /* Need double check under the lock */
+ spin_lock(&sbi->iostat_lock);
+ if (time_is_after_jiffies(sbi->iostat_next_period)) {
+ spin_unlock(&sbi->iostat_lock);
+ return;
+ }
+ sbi->iostat_next_period = jiffies +
+ msecs_to_jiffies(sbi->iostat_period_ms);
+
+ for (i = 0; i < NR_IO_TYPE; i++) {
+ iostat_diff[i] = sbi->rw_iostat[i] -
+ sbi->prev_rw_iostat[i];
+ sbi->prev_rw_iostat[i] = sbi->rw_iostat[i];
+ }
+ spin_unlock(&sbi->iostat_lock);
+
+ trace_f2fs_iostat(sbi, iostat_diff);
+}
+
static int __maybe_unused iostat_info_seq_show(struct seq_file *seq,
void *offset)
{
@@ -766,33 +808,58 @@ static int __maybe_unused iostat_info_seq_show(struct seq_file *seq,
seq_printf(seq, "time: %-16llu\n", now);
- /* print app IOs */
+ /* print app write IOs */
+ seq_puts(seq, "[WRITE]\n");
seq_printf(seq, "app buffered: %-16llu\n",
- sbi->write_iostat[APP_BUFFERED_IO]);
+ sbi->rw_iostat[APP_BUFFERED_IO]);
seq_printf(seq, "app direct: %-16llu\n",
- sbi->write_iostat[APP_DIRECT_IO]);
+ sbi->rw_iostat[APP_DIRECT_IO]);
seq_printf(seq, "app mapped: %-16llu\n",
- sbi->write_iostat[APP_MAPPED_IO]);
+ sbi->rw_iostat[APP_MAPPED_IO]);
- /* print fs IOs */
+ /* print fs write IOs */
seq_printf(seq, "fs data: %-16llu\n",
- sbi->write_iostat[FS_DATA_IO]);
+ sbi->rw_iostat[FS_DATA_IO]);
seq_printf(seq, "fs node: %-16llu\n",
- sbi->write_iostat[FS_NODE_IO]);
+ sbi->rw_iostat[FS_NODE_IO]);
seq_printf(seq, "fs meta: %-16llu\n",
- sbi->write_iostat[FS_META_IO]);
+ sbi->rw_iostat[FS_META_IO]);
seq_printf(seq, "fs gc data: %-16llu\n",
- sbi->write_iostat[FS_GC_DATA_IO]);
+ sbi->rw_iostat[FS_GC_DATA_IO]);
seq_printf(seq, "fs gc node: %-16llu\n",
- sbi->write_iostat[FS_GC_NODE_IO]);
+ sbi->rw_iostat[FS_GC_NODE_IO]);
seq_printf(seq, "fs cp data: %-16llu\n",
- sbi->write_iostat[FS_CP_DATA_IO]);
+ sbi->rw_iostat[FS_CP_DATA_IO]);
seq_printf(seq, "fs cp node: %-16llu\n",
- sbi->write_iostat[FS_CP_NODE_IO]);
+ sbi->rw_iostat[FS_CP_NODE_IO]);
seq_printf(seq, "fs cp meta: %-16llu\n",
- sbi->write_iostat[FS_CP_META_IO]);
+ sbi->rw_iostat[FS_CP_META_IO]);
+
+ /* print app read IOs */
+ seq_puts(seq, "[READ]\n");
+ seq_printf(seq, "app buffered: %-16llu\n",
+ sbi->rw_iostat[APP_BUFFERED_READ_IO]);
+ seq_printf(seq, "app direct: %-16llu\n",
+ sbi->rw_iostat[APP_DIRECT_READ_IO]);
+ seq_printf(seq, "app mapped: %-16llu\n",
+ sbi->rw_iostat[APP_MAPPED_READ_IO]);
+
+ /* print fs read IOs */
+ seq_printf(seq, "fs data: %-16llu\n",
+ sbi->rw_iostat[FS_DATA_READ_IO]);
+ seq_printf(seq, "fs gc data: %-16llu\n",
+ sbi->rw_iostat[FS_GDATA_READ_IO]);
+ seq_printf(seq, "fs compr_data: %-16llu\n",
+ sbi->rw_iostat[FS_CDATA_READ_IO]);
+ seq_printf(seq, "fs node: %-16llu\n",
+ sbi->rw_iostat[FS_NODE_READ_IO]);
+ seq_printf(seq, "fs meta: %-16llu\n",
+ sbi->rw_iostat[FS_META_READ_IO]);
+
+ /* print other IOs */
+ seq_puts(seq, "[OTHER]\n");
seq_printf(seq, "fs discard: %-16llu\n",
- sbi->write_iostat[FS_DISCARD]);
+ sbi->rw_iostat[FS_DISCARD]);
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-19 05:32:20 +0000