f2fstat: show cp count calling f2fs

This patch is to inform how many checkpoint is called.

Signed-off-by: Changman Lee <cm224.lee@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/tools/f2fstat.c b/tools/f2fstat.c
index 8ece660..73ad457 100644 (file)
--- a/tools/f2fstat.c
+++ b/tools/f2fstat.c
@@ -29,8 +29,8 @@ unsigned long valid_segs;
 unsigned long dirty_segs;
 unsigned long prefree_segs;
 
-unsigned long gc;
-unsigned long bg_gc;
+unsigned long gc, bg_gc;
+unsigned long cp;
 unsigned long gc_data_blks;
 unsigned long gc_node_blks;
 
@@ -99,6 +99,7 @@ void f2fstat(struct options *opt)
                { "  - dents",          &dirty_dents,           0 },
                { "  - meta",           &dirty_meta,            KEY_META },
                { "  - nodes",          &dirty_node,            KEY_NODE },
+               { "CP calls",           &cp,                    0 },
                { "GC calls",           &gc,                    0 },
                { "LFS",                &lfs_blks,              0 },
                { "Memory",             &memory_kb,             0 },
@@ -213,12 +214,12 @@ void parse_option(int argc, char *argv[], struct options *opt)
 void print_head(void)
 {
        fprintf(stderr, "---utilization--- -----------main area-------- ---balancing async-- -gc- ---alloc--- -----memory-----\n");
-       fprintf(stderr, "util  node   data   free  valid  dirty prefree node  dent meta sit   gc    ssr    lfs  total  node  meta\n");
+       fprintf(stderr, "util  node   data   free  valid  dirty prefree node  dent meta sit  cp   gc    ssr    lfs  total  node  meta\n");
 }
 
 int main(int argc, char *argv[])
 {
-       char format[] = "%3ld %6ld %6ld %6ld %6ld %6ld %6ld %5ld %5ld %3ld %3ld %5ld %6ld %6ld %6ld %6ld %6ld\n";
+       char format[] = "%3ld %6ld %6ld %6ld %6ld %6ld %6ld %5ld %5ld %3ld %3ld %3ld %5ld %6ld %6ld %6ld %6ld %6ld\n";
        int head_interval;
        struct options opt = {
                .delay = 1,
@@ -241,7 +242,7 @@ int main(int argc, char *argv[])
                fprintf(stderr, format, util, used_node_blks, used_data_blks,
                        free_segs, valid_segs, dirty_segs, prefree_segs,
                        dirty_node, dirty_dents, dirty_meta, dirty_sit,
-                       gc, ssr_blks, lfs_blks, memory_kb, node_kb, meta_kb);
+                       cp, gc, ssr_blks, lfs_blks, memory_kb, node_kb, meta_kb);
 
                sleep(opt.delay);
        }