Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: GFS2: Remove lock_kernel from gfs2_put_super() GFS2: Add tracepoints
This commit is contained in:
commit
6cb8a91174
9 changed files with 442 additions and 10 deletions
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@ -1,3 +1,4 @@
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EXTRA_CFLAGS := -I$(src)
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obj-$(CONFIG_GFS2_FS) += gfs2.o
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gfs2-y := acl.o bmap.o dir.o eaops.o eattr.o glock.o \
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glops.o inode.o log.o lops.o main.o meta_io.o \
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@ -25,6 +25,7 @@
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#include "trans.h"
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#include "dir.h"
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#include "util.h"
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#include "trace_gfs2.h"
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/* This doesn't need to be that large as max 64 bit pointers in a 4k
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* block is 512, so __u16 is fine for that. It saves stack space to
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@ -589,6 +590,7 @@ int gfs2_block_map(struct inode *inode, sector_t lblock,
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clear_buffer_mapped(bh_map);
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clear_buffer_new(bh_map);
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clear_buffer_boundary(bh_map);
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trace_gfs2_bmap(ip, bh_map, lblock, create, 1);
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if (gfs2_is_dir(ip)) {
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bsize = sdp->sd_jbsize;
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arr = sdp->sd_jheightsize;
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@ -623,6 +625,7 @@ int gfs2_block_map(struct inode *inode, sector_t lblock,
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ret = 0;
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out:
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release_metapath(&mp);
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trace_gfs2_bmap(ip, bh_map, lblock, create, ret);
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bmap_unlock(ip, create);
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return ret;
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@ -39,6 +39,8 @@
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#include "super.h"
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#include "util.h"
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#include "bmap.h"
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#define CREATE_TRACE_POINTS
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#include "trace_gfs2.h"
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struct gfs2_gl_hash_bucket {
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struct hlist_head hb_list;
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@ -155,7 +157,7 @@ static void glock_free(struct gfs2_glock *gl)
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if (aspace)
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gfs2_aspace_put(aspace);
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trace_gfs2_glock_put(gl);
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sdp->sd_lockstruct.ls_ops->lm_put_lock(gfs2_glock_cachep, gl);
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}
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@ -317,14 +319,17 @@ restart:
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return 2;
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gh->gh_error = ret;
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list_del_init(&gh->gh_list);
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trace_gfs2_glock_queue(gh, 0);
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gfs2_holder_wake(gh);
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goto restart;
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}
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set_bit(HIF_HOLDER, &gh->gh_iflags);
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trace_gfs2_promote(gh, 1);
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gfs2_holder_wake(gh);
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goto restart;
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}
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set_bit(HIF_HOLDER, &gh->gh_iflags);
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trace_gfs2_promote(gh, 0);
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gfs2_holder_wake(gh);
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continue;
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}
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@ -354,6 +359,7 @@ static inline void do_error(struct gfs2_glock *gl, const int ret)
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else
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continue;
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list_del_init(&gh->gh_list);
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trace_gfs2_glock_queue(gh, 0);
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gfs2_holder_wake(gh);
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}
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}
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@ -422,6 +428,7 @@ static void finish_xmote(struct gfs2_glock *gl, unsigned int ret)
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int rv;
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spin_lock(&gl->gl_spin);
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trace_gfs2_glock_state_change(gl, state);
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state_change(gl, state);
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gh = find_first_waiter(gl);
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@ -851,6 +858,7 @@ static void handle_callback(struct gfs2_glock *gl, unsigned int state,
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gl->gl_demote_state != state) {
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gl->gl_demote_state = LM_ST_UNLOCKED;
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}
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trace_gfs2_demote_rq(gl);
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}
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/**
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@ -936,6 +944,7 @@ fail:
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goto do_cancel;
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return;
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}
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trace_gfs2_glock_queue(gh, 1);
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list_add_tail(&gh->gh_list, insert_pt);
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do_cancel:
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gh = list_entry(gl->gl_holders.next, struct gfs2_holder, gh_list);
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@ -1032,6 +1041,7 @@ void gfs2_glock_dq(struct gfs2_holder *gh)
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!test_bit(GLF_DEMOTE, &gl->gl_flags))
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fast_path = 1;
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}
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trace_gfs2_glock_queue(gh, 0);
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spin_unlock(&gl->gl_spin);
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if (likely(fast_path))
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return;
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@ -28,6 +28,7 @@
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#include "meta_io.h"
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#include "util.h"
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#include "dir.h"
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#include "trace_gfs2.h"
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#define PULL 1
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@ -313,6 +314,7 @@ int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks)
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gfs2_log_lock(sdp);
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}
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atomic_sub(blks, &sdp->sd_log_blks_free);
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trace_gfs2_log_blocks(sdp, -blks);
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gfs2_log_unlock(sdp);
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mutex_unlock(&sdp->sd_log_reserve_mutex);
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@ -333,6 +335,7 @@ void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks)
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gfs2_log_lock(sdp);
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atomic_add(blks, &sdp->sd_log_blks_free);
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trace_gfs2_log_blocks(sdp, blks);
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gfs2_assert_withdraw(sdp,
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atomic_read(&sdp->sd_log_blks_free) <= sdp->sd_jdesc->jd_blocks);
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gfs2_log_unlock(sdp);
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@ -558,6 +561,7 @@ static void log_pull_tail(struct gfs2_sbd *sdp, unsigned int new_tail)
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gfs2_log_lock(sdp);
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atomic_add(dist, &sdp->sd_log_blks_free);
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trace_gfs2_log_blocks(sdp, dist);
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gfs2_assert_withdraw(sdp, atomic_read(&sdp->sd_log_blks_free) <= sdp->sd_jdesc->jd_blocks);
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gfs2_log_unlock(sdp);
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@ -715,6 +719,7 @@ void __gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl)
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up_write(&sdp->sd_log_flush_lock);
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return;
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}
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trace_gfs2_log_flush(sdp, 1);
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ai = kzalloc(sizeof(struct gfs2_ail), GFP_NOFS | __GFP_NOFAIL);
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INIT_LIST_HEAD(&ai->ai_ail1_list);
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@ -746,6 +751,7 @@ void __gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl)
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else if (sdp->sd_log_tail != current_tail(sdp) && !sdp->sd_log_idle){
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gfs2_log_lock(sdp);
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atomic_dec(&sdp->sd_log_blks_free); /* Adjust for unreserved buffer */
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trace_gfs2_log_blocks(sdp, -1);
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gfs2_log_unlock(sdp);
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log_write_header(sdp, 0, PULL);
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}
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@ -763,7 +769,7 @@ void __gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl)
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ai = NULL;
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}
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gfs2_log_unlock(sdp);
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trace_gfs2_log_flush(sdp, 0);
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up_write(&sdp->sd_log_flush_lock);
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kfree(ai);
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@ -787,6 +793,7 @@ static void log_refund(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
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gfs2_assert_withdraw(sdp, sdp->sd_log_blks_reserved + tr->tr_reserved >= reserved);
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unused = sdp->sd_log_blks_reserved - reserved + tr->tr_reserved;
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atomic_add(unused, &sdp->sd_log_blks_free);
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trace_gfs2_log_blocks(sdp, unused);
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gfs2_assert_withdraw(sdp, atomic_read(&sdp->sd_log_blks_free) <=
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sdp->sd_jdesc->jd_blocks);
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sdp->sd_log_blks_reserved = reserved;
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@ -27,6 +27,7 @@
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#include "rgrp.h"
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#include "trans.h"
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#include "util.h"
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#include "trace_gfs2.h"
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/**
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* gfs2_pin - Pin a buffer in memory
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@ -53,6 +54,7 @@ static void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh)
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if (bd->bd_ail)
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list_move(&bd->bd_ail_st_list, &bd->bd_ail->ai_ail2_list);
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get_bh(bh);
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trace_gfs2_pin(bd, 1);
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}
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/**
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@ -89,6 +91,7 @@ static void gfs2_unpin(struct gfs2_sbd *sdp, struct buffer_head *bh,
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bd->bd_ail = ai;
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list_add(&bd->bd_ail_st_list, &ai->ai_ail1_list);
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clear_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags);
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trace_gfs2_pin(bd, 0);
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gfs2_log_unlock(sdp);
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unlock_buffer(bh);
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}
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@ -33,6 +33,7 @@
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#include "log.h"
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#include "quota.h"
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#include "dir.h"
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#include "trace_gfs2.h"
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#define DO 0
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#define UNDO 1
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@ -775,6 +776,7 @@ static int init_journal(struct gfs2_sbd *sdp, int undo)
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/* Map the extents for this journal's blocks */
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map_journal_extents(sdp);
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}
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trace_gfs2_log_blocks(sdp, atomic_read(&sdp->sd_log_blks_free));
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if (sdp->sd_lockstruct.ls_first) {
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unsigned int x;
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@ -29,6 +29,7 @@
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#include "util.h"
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#include "log.h"
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#include "inode.h"
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#include "trace_gfs2.h"
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#define BFITNOENT ((u32)~0)
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#define NO_BLOCK ((u64)~0)
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@ -1519,7 +1520,7 @@ int gfs2_alloc_block(struct gfs2_inode *ip, u64 *bn, unsigned int *n)
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spin_lock(&sdp->sd_rindex_spin);
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rgd->rd_free_clone -= *n;
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spin_unlock(&sdp->sd_rindex_spin);
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trace_gfs2_block_alloc(ip, block, *n, GFS2_BLKST_USED);
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*bn = block;
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return 0;
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@ -1571,7 +1572,7 @@ u64 gfs2_alloc_di(struct gfs2_inode *dip, u64 *generation)
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spin_lock(&sdp->sd_rindex_spin);
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rgd->rd_free_clone--;
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spin_unlock(&sdp->sd_rindex_spin);
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trace_gfs2_block_alloc(dip, block, 1, GFS2_BLKST_DINODE);
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return block;
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}
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@ -1591,7 +1592,7 @@ void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen)
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rgd = rgblk_free(sdp, bstart, blen, GFS2_BLKST_FREE);
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if (!rgd)
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return;
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trace_gfs2_block_alloc(ip, bstart, blen, GFS2_BLKST_FREE);
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rgd->rd_free += blen;
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gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
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@ -1619,7 +1620,7 @@ void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen)
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rgd = rgblk_free(sdp, bstart, blen, GFS2_BLKST_FREE);
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if (!rgd)
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return;
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trace_gfs2_block_alloc(ip, bstart, blen, GFS2_BLKST_FREE);
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rgd->rd_free += blen;
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gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
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@ -1642,6 +1643,7 @@ void gfs2_unlink_di(struct inode *inode)
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rgd = rgblk_free(sdp, blkno, 1, GFS2_BLKST_UNLINKED);
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if (!rgd)
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return;
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trace_gfs2_block_alloc(ip, blkno, 1, GFS2_BLKST_UNLINKED);
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gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
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gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
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gfs2_trans_add_rg(rgd);
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@ -1673,6 +1675,7 @@ static void gfs2_free_uninit_di(struct gfs2_rgrpd *rgd, u64 blkno)
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void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip)
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{
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gfs2_free_uninit_di(rgd, ip->i_no_addr);
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trace_gfs2_block_alloc(ip, ip->i_no_addr, 1, GFS2_BLKST_FREE);
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gfs2_quota_change(ip, -1, ip->i_inode.i_uid, ip->i_inode.i_gid);
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gfs2_meta_wipe(ip, ip->i_no_addr, 1);
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}
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|
|
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@ -719,8 +719,6 @@ static void gfs2_put_super(struct super_block *sb)
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int error;
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struct gfs2_jdesc *jd;
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|
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lock_kernel();
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|
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/* Unfreeze the filesystem, if we need to */
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|
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mutex_lock(&sdp->sd_freeze_lock);
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|
@ -787,8 +785,6 @@ restart:
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|
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/* At this point, we're through participating in the lockspace */
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gfs2_sys_fs_del(sdp);
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|
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unlock_kernel();
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}
|
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|
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/**
|
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|
|
407
fs/gfs2/trace_gfs2.h
Normal file
407
fs/gfs2/trace_gfs2.h
Normal file
|
@ -0,0 +1,407 @@
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#if !defined(_TRACE_GFS2_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_GFS2_H
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|
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#include <linux/tracepoint.h>
|
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|
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM gfs2
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#define TRACE_INCLUDE_FILE trace_gfs2
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|
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#include <linux/fs.h>
|
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#include <linux/buffer_head.h>
|
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#include <linux/dlmconstants.h>
|
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#include <linux/gfs2_ondisk.h>
|
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#include "incore.h"
|
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#include "glock.h"
|
||||
|
||||
#define dlm_state_name(nn) { DLM_LOCK_##nn, #nn }
|
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#define glock_trace_name(x) __print_symbolic(x, \
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dlm_state_name(IV), \
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dlm_state_name(NL), \
|
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dlm_state_name(CR), \
|
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dlm_state_name(CW), \
|
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dlm_state_name(PR), \
|
||||
dlm_state_name(PW), \
|
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dlm_state_name(EX))
|
||||
|
||||
#define block_state_name(x) __print_symbolic(x, \
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{ GFS2_BLKST_FREE, "free" }, \
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{ GFS2_BLKST_USED, "used" }, \
|
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{ GFS2_BLKST_DINODE, "dinode" }, \
|
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{ GFS2_BLKST_UNLINKED, "unlinked" })
|
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|
||||
#define show_glock_flags(flags) __print_flags(flags, "", \
|
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{(1UL << GLF_LOCK), "l" }, \
|
||||
{(1UL << GLF_DEMOTE), "D" }, \
|
||||
{(1UL << GLF_PENDING_DEMOTE), "d" }, \
|
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{(1UL << GLF_DEMOTE_IN_PROGRESS), "p" }, \
|
||||
{(1UL << GLF_DIRTY), "y" }, \
|
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{(1UL << GLF_LFLUSH), "f" }, \
|
||||
{(1UL << GLF_INVALIDATE_IN_PROGRESS), "i" }, \
|
||||
{(1UL << GLF_REPLY_PENDING), "r" }, \
|
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{(1UL << GLF_INITIAL), "I" }, \
|
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{(1UL << GLF_FROZEN), "F" })
|
||||
|
||||
#ifndef NUMPTY
|
||||
#define NUMPTY
|
||||
static inline u8 glock_trace_state(unsigned int state)
|
||||
{
|
||||
switch(state) {
|
||||
case LM_ST_SHARED:
|
||||
return DLM_LOCK_PR;
|
||||
case LM_ST_DEFERRED:
|
||||
return DLM_LOCK_CW;
|
||||
case LM_ST_EXCLUSIVE:
|
||||
return DLM_LOCK_EX;
|
||||
}
|
||||
return DLM_LOCK_NL;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Section 1 - Locking
|
||||
*
|
||||
* Objectives:
|
||||
* Latency: Remote demote request to state change
|
||||
* Latency: Local lock request to state change
|
||||
* Latency: State change to lock grant
|
||||
* Correctness: Ordering of local lock state vs. I/O requests
|
||||
* Correctness: Responses to remote demote requests
|
||||
*/
|
||||
|
||||
/* General glock state change (DLM lock request completes) */
|
||||
TRACE_EVENT(gfs2_glock_state_change,
|
||||
|
||||
TP_PROTO(const struct gfs2_glock *gl, unsigned int new_state),
|
||||
|
||||
TP_ARGS(gl, new_state),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( u64, glnum )
|
||||
__field( u32, gltype )
|
||||
__field( u8, cur_state )
|
||||
__field( u8, new_state )
|
||||
__field( u8, dmt_state )
|
||||
__field( u8, tgt_state )
|
||||
__field( unsigned long, flags )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = gl->gl_sbd->sd_vfs->s_dev;
|
||||
__entry->glnum = gl->gl_name.ln_number;
|
||||
__entry->gltype = gl->gl_name.ln_type;
|
||||
__entry->cur_state = glock_trace_state(gl->gl_state);
|
||||
__entry->new_state = glock_trace_state(new_state);
|
||||
__entry->tgt_state = glock_trace_state(gl->gl_target);
|
||||
__entry->dmt_state = glock_trace_state(gl->gl_demote_state);
|
||||
__entry->flags = gl->gl_flags;
|
||||
),
|
||||
|
||||
TP_printk("%u,%u glock %d:%lld state %s to %s tgt:%s dmt:%s flags:%s",
|
||||
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
|
||||
(unsigned long long)__entry->glnum,
|
||||
glock_trace_name(__entry->cur_state),
|
||||
glock_trace_name(__entry->new_state),
|
||||
glock_trace_name(__entry->tgt_state),
|
||||
glock_trace_name(__entry->dmt_state),
|
||||
show_glock_flags(__entry->flags))
|
||||
);
|
||||
|
||||
/* State change -> unlocked, glock is being deallocated */
|
||||
TRACE_EVENT(gfs2_glock_put,
|
||||
|
||||
TP_PROTO(const struct gfs2_glock *gl),
|
||||
|
||||
TP_ARGS(gl),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( u64, glnum )
|
||||
__field( u32, gltype )
|
||||
__field( u8, cur_state )
|
||||
__field( unsigned long, flags )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = gl->gl_sbd->sd_vfs->s_dev;
|
||||
__entry->gltype = gl->gl_name.ln_type;
|
||||
__entry->glnum = gl->gl_name.ln_number;
|
||||
__entry->cur_state = glock_trace_state(gl->gl_state);
|
||||
__entry->flags = gl->gl_flags;
|
||||
),
|
||||
|
||||
TP_printk("%u,%u glock %d:%lld state %s => %s flags:%s",
|
||||
MAJOR(__entry->dev), MINOR(__entry->dev),
|
||||
__entry->gltype, (unsigned long long)__entry->glnum,
|
||||
glock_trace_name(__entry->cur_state),
|
||||
glock_trace_name(DLM_LOCK_IV),
|
||||
show_glock_flags(__entry->flags))
|
||||
|
||||
);
|
||||
|
||||
/* Callback (local or remote) requesting lock demotion */
|
||||
TRACE_EVENT(gfs2_demote_rq,
|
||||
|
||||
TP_PROTO(const struct gfs2_glock *gl),
|
||||
|
||||
TP_ARGS(gl),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( u64, glnum )
|
||||
__field( u32, gltype )
|
||||
__field( u8, cur_state )
|
||||
__field( u8, dmt_state )
|
||||
__field( unsigned long, flags )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = gl->gl_sbd->sd_vfs->s_dev;
|
||||
__entry->gltype = gl->gl_name.ln_type;
|
||||
__entry->glnum = gl->gl_name.ln_number;
|
||||
__entry->cur_state = glock_trace_state(gl->gl_state);
|
||||
__entry->dmt_state = glock_trace_state(gl->gl_demote_state);
|
||||
__entry->flags = gl->gl_flags;
|
||||
),
|
||||
|
||||
TP_printk("%u,%u glock %d:%lld demote %s to %s flags:%s",
|
||||
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
|
||||
(unsigned long long)__entry->glnum,
|
||||
glock_trace_name(__entry->cur_state),
|
||||
glock_trace_name(__entry->dmt_state),
|
||||
show_glock_flags(__entry->flags))
|
||||
|
||||
);
|
||||
|
||||
/* Promotion/grant of a glock */
|
||||
TRACE_EVENT(gfs2_promote,
|
||||
|
||||
TP_PROTO(const struct gfs2_holder *gh, int first),
|
||||
|
||||
TP_ARGS(gh, first),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( u64, glnum )
|
||||
__field( u32, gltype )
|
||||
__field( int, first )
|
||||
__field( u8, state )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = gh->gh_gl->gl_sbd->sd_vfs->s_dev;
|
||||
__entry->glnum = gh->gh_gl->gl_name.ln_number;
|
||||
__entry->gltype = gh->gh_gl->gl_name.ln_type;
|
||||
__entry->first = first;
|
||||
__entry->state = glock_trace_state(gh->gh_state);
|
||||
),
|
||||
|
||||
TP_printk("%u,%u glock %u:%llu promote %s %s",
|
||||
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
|
||||
(unsigned long long)__entry->glnum,
|
||||
__entry->first ? "first": "other",
|
||||
glock_trace_name(__entry->state))
|
||||
);
|
||||
|
||||
/* Queue/dequeue a lock request */
|
||||
TRACE_EVENT(gfs2_glock_queue,
|
||||
|
||||
TP_PROTO(const struct gfs2_holder *gh, int queue),
|
||||
|
||||
TP_ARGS(gh, queue),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( u64, glnum )
|
||||
__field( u32, gltype )
|
||||
__field( int, queue )
|
||||
__field( u8, state )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = gh->gh_gl->gl_sbd->sd_vfs->s_dev;
|
||||
__entry->glnum = gh->gh_gl->gl_name.ln_number;
|
||||
__entry->gltype = gh->gh_gl->gl_name.ln_type;
|
||||
__entry->queue = queue;
|
||||
__entry->state = glock_trace_state(gh->gh_state);
|
||||
),
|
||||
|
||||
TP_printk("%u,%u glock %u:%llu %squeue %s",
|
||||
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
|
||||
(unsigned long long)__entry->glnum,
|
||||
__entry->queue ? "" : "de",
|
||||
glock_trace_name(__entry->state))
|
||||
);
|
||||
|
||||
/* Section 2 - Log/journal
|
||||
*
|
||||
* Objectives:
|
||||
* Latency: Log flush time
|
||||
* Correctness: pin/unpin vs. disk I/O ordering
|
||||
* Performance: Log usage stats
|
||||
*/
|
||||
|
||||
/* Pin/unpin a block in the log */
|
||||
TRACE_EVENT(gfs2_pin,
|
||||
|
||||
TP_PROTO(const struct gfs2_bufdata *bd, int pin),
|
||||
|
||||
TP_ARGS(bd, pin),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( int, pin )
|
||||
__field( u32, len )
|
||||
__field( sector_t, block )
|
||||
__field( u64, ino )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = bd->bd_gl->gl_sbd->sd_vfs->s_dev;
|
||||
__entry->pin = pin;
|
||||
__entry->len = bd->bd_bh->b_size;
|
||||
__entry->block = bd->bd_bh->b_blocknr;
|
||||
__entry->ino = bd->bd_gl->gl_name.ln_number;
|
||||
),
|
||||
|
||||
TP_printk("%u,%u log %s %llu/%lu inode %llu",
|
||||
MAJOR(__entry->dev), MINOR(__entry->dev),
|
||||
__entry->pin ? "pin" : "unpin",
|
||||
(unsigned long long)__entry->block,
|
||||
(unsigned long)__entry->len,
|
||||
(unsigned long long)__entry->ino)
|
||||
);
|
||||
|
||||
/* Flushing the log */
|
||||
TRACE_EVENT(gfs2_log_flush,
|
||||
|
||||
TP_PROTO(const struct gfs2_sbd *sdp, int start),
|
||||
|
||||
TP_ARGS(sdp, start),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( int, start )
|
||||
__field( u64, log_seq )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = sdp->sd_vfs->s_dev;
|
||||
__entry->start = start;
|
||||
__entry->log_seq = sdp->sd_log_sequence;
|
||||
),
|
||||
|
||||
TP_printk("%u,%u log flush %s %llu",
|
||||
MAJOR(__entry->dev), MINOR(__entry->dev),
|
||||
__entry->start ? "start" : "end",
|
||||
(unsigned long long)__entry->log_seq)
|
||||
);
|
||||
|
||||
/* Reserving/releasing blocks in the log */
|
||||
TRACE_EVENT(gfs2_log_blocks,
|
||||
|
||||
TP_PROTO(const struct gfs2_sbd *sdp, int blocks),
|
||||
|
||||
TP_ARGS(sdp, blocks),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( int, blocks )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = sdp->sd_vfs->s_dev;
|
||||
__entry->blocks = blocks;
|
||||
),
|
||||
|
||||
TP_printk("%u,%u log reserve %d", MAJOR(__entry->dev),
|
||||
MINOR(__entry->dev), __entry->blocks)
|
||||
);
|
||||
|
||||
/* Section 3 - bmap
|
||||
*
|
||||
* Objectives:
|
||||
* Latency: Bmap request time
|
||||
* Performance: Block allocator tracing
|
||||
* Correctness: Test of disard generation vs. blocks allocated
|
||||
*/
|
||||
|
||||
/* Map an extent of blocks, possibly a new allocation */
|
||||
TRACE_EVENT(gfs2_bmap,
|
||||
|
||||
TP_PROTO(const struct gfs2_inode *ip, const struct buffer_head *bh,
|
||||
sector_t lblock, int create, int errno),
|
||||
|
||||
TP_ARGS(ip, bh, lblock, create, errno),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( sector_t, lblock )
|
||||
__field( sector_t, pblock )
|
||||
__field( u64, inum )
|
||||
__field( unsigned long, state )
|
||||
__field( u32, len )
|
||||
__field( int, create )
|
||||
__field( int, errno )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = ip->i_gl->gl_sbd->sd_vfs->s_dev;
|
||||
__entry->lblock = lblock;
|
||||
__entry->pblock = buffer_mapped(bh) ? bh->b_blocknr : 0;
|
||||
__entry->inum = ip->i_no_addr;
|
||||
__entry->state = bh->b_state;
|
||||
__entry->len = bh->b_size;
|
||||
__entry->create = create;
|
||||
__entry->errno = errno;
|
||||
),
|
||||
|
||||
TP_printk("%u,%u bmap %llu map %llu/%lu to %llu flags:%08lx %s %d",
|
||||
MAJOR(__entry->dev), MINOR(__entry->dev),
|
||||
(unsigned long long)__entry->inum,
|
||||
(unsigned long long)__entry->lblock,
|
||||
(unsigned long)__entry->len,
|
||||
(unsigned long long)__entry->pblock,
|
||||
__entry->state, __entry->create ? "create " : "nocreate",
|
||||
__entry->errno)
|
||||
);
|
||||
|
||||
/* Keep track of blocks as they are allocated/freed */
|
||||
TRACE_EVENT(gfs2_block_alloc,
|
||||
|
||||
TP_PROTO(const struct gfs2_inode *ip, u64 block, unsigned len,
|
||||
u8 block_state),
|
||||
|
||||
TP_ARGS(ip, block, len, block_state),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( u64, start )
|
||||
__field( u64, inum )
|
||||
__field( u32, len )
|
||||
__field( u8, block_state )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = ip->i_gl->gl_sbd->sd_vfs->s_dev;
|
||||
__entry->start = block;
|
||||
__entry->inum = ip->i_no_addr;
|
||||
__entry->len = len;
|
||||
__entry->block_state = block_state;
|
||||
),
|
||||
|
||||
TP_printk("%u,%u bmap %llu alloc %llu/%lu %s",
|
||||
MAJOR(__entry->dev), MINOR(__entry->dev),
|
||||
(unsigned long long)__entry->inum,
|
||||
(unsigned long long)__entry->start,
|
||||
(unsigned long)__entry->len,
|
||||
block_state_name(__entry->block_state))
|
||||
);
|
||||
|
||||
#endif /* _TRACE_GFS2_H */
|
||||
|
||||
/* This part must be outside protection */
|
||||
#undef TRACE_INCLUDE_PATH
|
||||
#define TRACE_INCLUDE_PATH .
|
||||
#include <trace/define_trace.h>
|
||||
|
Reference in a new issue