diff options
Diffstat (limited to 'mm/damon/sysfs.c')
| -rw-r--r-- | mm/damon/sysfs.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 33e1d5c9cb54..b86ba7b0a921 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -1000,6 +1000,11 @@ enum damon_sysfs_cmd { */ DAMON_SYSFS_CMD_UPDATE_SCHEMES_STATS, /* + * @DAMON_SYSFS_CMD_UPDATE_SCHEMES_TRIED_BYTES: Update + * tried_regions/total_bytes sysfs files for each scheme. + */ + DAMON_SYSFS_CMD_UPDATE_SCHEMES_TRIED_BYTES, + /* * @DAMON_SYSFS_CMD_UPDATE_SCHEMES_TRIED_REGIONS: Update schemes tried * regions */ @@ -1021,6 +1026,7 @@ static const char * const damon_sysfs_cmd_strs[] = { "off", "commit", "update_schemes_stats", + "update_schemes_tried_bytes", "update_schemes_tried_regions", "clear_schemes_tried_regions", }; @@ -1206,12 +1212,14 @@ static void damon_sysfs_before_terminate(struct damon_ctx *ctx) { struct damon_target *t, *next; struct damon_sysfs_kdamond *kdamond; + enum damon_sysfs_cmd cmd; /* damon_sysfs_schemes_update_regions_stop() might not yet called */ kdamond = damon_sysfs_cmd_request.kdamond; - if (kdamond && damon_sysfs_cmd_request.cmd == - DAMON_SYSFS_CMD_UPDATE_SCHEMES_TRIED_REGIONS && - ctx == kdamond->damon_ctx) { + cmd = damon_sysfs_cmd_request.cmd; + if (kdamond && ctx == kdamond->damon_ctx && + (cmd == DAMON_SYSFS_CMD_UPDATE_SCHEMES_TRIED_REGIONS || + cmd == DAMON_SYSFS_CMD_UPDATE_SCHEMES_TRIED_BYTES)) { damon_sysfs_schemes_update_regions_stop(ctx); mutex_unlock(&damon_sysfs_lock); } @@ -1248,14 +1256,15 @@ static int damon_sysfs_upd_schemes_stats(struct damon_sysfs_kdamond *kdamond) } static int damon_sysfs_upd_schemes_regions_start( - struct damon_sysfs_kdamond *kdamond) + struct damon_sysfs_kdamond *kdamond, bool total_bytes_only) { struct damon_ctx *ctx = kdamond->damon_ctx; if (!ctx) return -EINVAL; return damon_sysfs_schemes_update_regions_start( - kdamond->contexts->contexts_arr[0]->schemes, ctx); + kdamond->contexts->contexts_arr[0]->schemes, ctx, + total_bytes_only); } static int damon_sysfs_upd_schemes_regions_stop( @@ -1332,6 +1341,7 @@ static int damon_sysfs_cmd_request_callback(struct damon_ctx *c) { struct damon_sysfs_kdamond *kdamond; static bool damon_sysfs_schemes_regions_updating; + bool total_bytes_only = false; int err = 0; /* avoid deadlock due to concurrent state_store('off') */ @@ -1348,9 +1358,13 @@ static int damon_sysfs_cmd_request_callback(struct damon_ctx *c) case DAMON_SYSFS_CMD_COMMIT: err = damon_sysfs_commit_input(kdamond); break; + case DAMON_SYSFS_CMD_UPDATE_SCHEMES_TRIED_BYTES: + total_bytes_only = true; + fallthrough; case DAMON_SYSFS_CMD_UPDATE_SCHEMES_TRIED_REGIONS: if (!damon_sysfs_schemes_regions_updating) { - err = damon_sysfs_upd_schemes_regions_start(kdamond); + err = damon_sysfs_upd_schemes_regions_start(kdamond, + total_bytes_only); if (!err) { damon_sysfs_schemes_regions_updating = true; goto keep_lock_out; |