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[Qemu-devel] [RFC PATCH] Introduce tracing for 9p pdu handlers


From: Harsh Prateek Bora
Subject: [Qemu-devel] [RFC PATCH] Introduce tracing for 9p pdu handlers
Date: Thu, 29 Sep 2011 17:44:47 +0530

Plan is to replace the existing debug infrastructure with Qemu tracing
infrastructure so that user can dynamically enable/disable trace events and
therefore a meaningful trace log can be generated which can be further
filtered using analysis script.

Note: Because of current simpletrace limitations, the trace events are
logging at max 6 args, however, once the more args are supported, we can
change trace events to log more info as well. Also, This initial patch only
provides a replacement for existing debug infra. More trace events to be
added later for newly added handlers and sub-routines.

Signed-off-by: Harsh Prateek Bora <address@hidden>
---
 hw/9pfs/virtio-9p.c |   62 +++++++++++++++++++++++++++++++++++++++++++++++++++
 trace-events        |   47 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 109 insertions(+), 0 deletions(-)

diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index 1d1933f..6ee498f 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -20,6 +20,7 @@
 #include "virtio-9p-debug.h"
 #include "virtio-9p-xattr.h"
 #include "virtio-9p-coth.h"
+#include "trace.h"
 
 int debug_9p_pdu;
 int open_fd_hw;
@@ -977,6 +978,7 @@ static void complete_pdu(V9fsState *s, V9fsPDU *pdu, 
ssize_t len)
         if (s->proto_version == V9FS_PROTO_2000L) {
             id = P9_RLERROR;
         }
+        trace_complete_pdu(pdu->tag, pdu->id, id); /* Trace ERROR */
     }
 
     /* fill out the header */
@@ -1286,6 +1288,7 @@ static void v9fs_version(void *opaque)
     size_t offset = 7;
 
     pdu_unmarshal(pdu, offset, "ds", &s->msize, &version);
+    trace_v9fs_version1(pdu->tag, pdu->id, s->msize, version.data);
 
     if (!strcmp(version.data, "9P2000.u")) {
         s->proto_version = V9FS_PROTO_2000U;
@@ -1296,6 +1299,8 @@ static void v9fs_version(void *opaque)
     }
 
     offset += pdu_marshal(pdu, offset, "ds", s->msize, &version);
+    trace_v9fs_version2(pdu->tag, pdu->id, s->msize, version.data);
+
     complete_pdu(s, pdu, offset);
 
     v9fs_string_free(&version);
@@ -1314,6 +1319,7 @@ static void v9fs_attach(void *opaque)
     ssize_t err;
 
     pdu_unmarshal(pdu, offset, "ddssd", &fid, &afid, &uname, &aname, &n_uname);
+    trace_v9fs_attach1(pdu->tag, pdu->id, fid, afid, uname.data, aname.data);
 
     fidp = alloc_fid(s, fid);
     if (fidp == NULL) {
@@ -1338,6 +1344,7 @@ static void v9fs_attach(void *opaque)
 out:
     put_fid(pdu, fidp);
 out_nofid:
+    trace_v9fs_attach2(pdu->tag, pdu->id, qid.type, qid.version, qid.path);
     complete_pdu(s, pdu, err);
     v9fs_string_free(&uname);
     v9fs_string_free(&aname);
@@ -1355,6 +1362,7 @@ static void v9fs_stat(void *opaque)
     V9fsState *s = pdu->s;
 
     pdu_unmarshal(pdu, offset, "d", &fid);
+    trace_v9fs_stat1(pdu->tag, pdu->id, fid);
 
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
@@ -1375,6 +1383,8 @@ static void v9fs_stat(void *opaque)
 out:
     put_fid(pdu, fidp);
 out_nofid:
+    trace_v9fs_stat2(pdu->tag, pdu->id, v9stat.mode, v9stat.atime, 
v9stat.mtime, v9stat.length);
+
     complete_pdu(s, pdu, err);
 }
 
@@ -1391,6 +1401,7 @@ static void v9fs_getattr(void *opaque)
     V9fsState *s = pdu->s;
 
     pdu_unmarshal(pdu, offset, "dq", &fid, &request_mask);
+    trace_v9fs_getattr1(pdu->tag, pdu->id, fid, request_mask);
 
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
@@ -1420,6 +1431,10 @@ static void v9fs_getattr(void *opaque)
 out:
     put_fid(pdu, fidp);
 out_nofid:
+    trace_v9fs_getattr2(pdu->tag, pdu->id, v9stat_dotl.st_result_mask,
+                       v9stat_dotl.st_mode, v9stat_dotl.st_uid, 
+                       v9stat_dotl.st_gid);
+
     complete_pdu(s, pdu, retval);
 }
 
@@ -1547,6 +1562,8 @@ static void v9fs_walk(void *opaque)
     offset += pdu_unmarshal(pdu, offset, "ddw", &fid,
                             &newfid, &nwnames);
 
+    trace_v9fs_walk1(pdu->tag, pdu->id, fid, newfid, nwnames);
+
     if (nwnames && nwnames <= P9_MAXWELEM) {
         wnames = g_malloc0(sizeof(wnames[0]) * nwnames);
         qids   = g_malloc0(sizeof(qids[0]) * nwnames);
@@ -1603,6 +1620,7 @@ out:
     v9fs_path_free(&dpath);
     v9fs_path_free(&path);
 out_nofid:
+    trace_v9fs_walk2(pdu->tag, pdu->id, nwnames, qids);
     complete_pdu(s, pdu, err);
     if (nwnames && nwnames <= P9_MAXWELEM) {
         for (name_idx = 0; name_idx < nwnames; name_idx++) {
@@ -1653,6 +1671,8 @@ static void v9fs_open(void *opaque)
     } else {
         pdu_unmarshal(pdu, offset, "db", &fid, &mode);
     }
+    trace_v9fs_open1(pdu->tag, pdu->id, fid, mode);
+
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
         err = -ENOENT;
@@ -1699,6 +1719,7 @@ static void v9fs_open(void *opaque)
 out:
     put_fid(pdu, fidp);
 out_nofid:
+    trace_v9fs_open2(pdu->tag, pdu->id, qid.type, qid.version, qid.path, 
iounit);
     complete_pdu(s, pdu, err);
 }
 
@@ -1717,6 +1738,7 @@ static void v9fs_lcreate(void *opaque)
 
     pdu_unmarshal(pdu, offset, "dsddd", &dfid, &name, &flags,
                   &mode, &gid);
+    trace_v9fs_lcreate1(pdu->tag, pdu->id, dfid, flags, mode, gid);
 
     fidp = get_fid(pdu, dfid);
     if (fidp == NULL) {
@@ -1746,6 +1768,7 @@ static void v9fs_lcreate(void *opaque)
 out:
     put_fid(pdu, fidp);
 out_nofid:
+    trace_v9fs_lcreate2(pdu->tag, pdu->id, qid.type, qid.version, qid.path, 
iounit);
     complete_pdu(pdu->s, pdu, err);
     v9fs_string_free(&name);
 }
@@ -1761,6 +1784,8 @@ static void v9fs_fsync(void *opaque)
     V9fsState *s = pdu->s;
 
     pdu_unmarshal(pdu, offset, "dd", &fid, &datasync);
+    trace_v9fs_fsync(pdu->tag, pdu->id, fid, datasync);
+
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
         err = -ENOENT;
@@ -1785,6 +1810,7 @@ static void v9fs_clunk(void *opaque)
     V9fsState *s = pdu->s;
 
     pdu_unmarshal(pdu, offset, "d", &fid);
+    trace_v9fs_clunk(pdu->tag, pdu->id, fid);
 
     fidp = clunk_fid(s, fid);
     if (fidp == NULL) {
@@ -1901,6 +1927,7 @@ static void v9fs_read(void *opaque)
     V9fsState *s = pdu->s;
 
     pdu_unmarshal(pdu, offset, "dqd", &fid, &off, &max_count);
+    trace_v9fs_read1(pdu->tag, pdu->id, fid, off, max_count);
 
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
@@ -1959,6 +1986,7 @@ static void v9fs_read(void *opaque)
 out:
     put_fid(pdu, fidp);
 out_nofid:
+    trace_v9fs_read2(pdu->tag, pdu->id, count, err);
     complete_pdu(s, pdu, err);
 }
 
@@ -2043,6 +2071,8 @@ static void v9fs_readdir(void *opaque)
 
     pdu_unmarshal(pdu, offset, "dqd", &fid, &initial_offset, &max_count);
 
+    trace_v9fs_readdir1(pdu->tag, pdu->id, fid, initial_offset, max_count);
+
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
         retval = -EINVAL;
@@ -2068,6 +2098,7 @@ static void v9fs_readdir(void *opaque)
 out:
     put_fid(pdu, fidp);
 out_nofid:
+    trace_v9fs_readdir2(pdu->tag, pdu->id, count, retval);
     complete_pdu(s, pdu, retval);
 }
 
@@ -2132,6 +2163,7 @@ static void v9fs_write(void *opaque)
     V9fsState *s = pdu->s;
 
     pdu_unmarshal(pdu, offset, "dqdv", &fid, &off, &count, sg, &cnt);
+    trace_v9fs_write1(pdu->tag, pdu->id, fid, off, count, cnt);
 
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
@@ -2178,6 +2210,7 @@ static void v9fs_write(void *opaque)
 out:
     put_fid(pdu, fidp);
 out_nofid:
+    trace_v9fs_write2(pdu->tag, pdu->id, total, err);
     complete_pdu(s, pdu, err);
 }
 
@@ -2202,6 +2235,8 @@ static void v9fs_create(void *opaque)
     pdu_unmarshal(pdu, offset, "dsdbs", &fid, &name,
                   &perm, &mode, &extension);
 
+    trace_v9fs_create1(pdu->tag, pdu->id, fid, name.data, perm, mode);
+
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
         err = -EINVAL;
@@ -2335,6 +2370,7 @@ static void v9fs_create(void *opaque)
 out:
     put_fid(pdu, fidp);
 out_nofid:
+   trace_v9fs_create2(pdu->tag, pdu->id, qid.type, qid.version, qid.path, 
iounit);
    complete_pdu(pdu->s, pdu, err);
    v9fs_string_free(&name);
    v9fs_string_free(&extension);
@@ -2355,6 +2391,7 @@ static void v9fs_symlink(void *opaque)
     size_t offset = 7;
 
     pdu_unmarshal(pdu, offset, "dssd", &dfid, &name, &symname, &gid);
+    trace_v9fs_symlink1(pdu->tag, pdu->id, dfid, name.data, symname.data, gid);
 
     dfidp = get_fid(pdu, dfid);
     if (dfidp == NULL) {
@@ -2371,6 +2408,7 @@ static void v9fs_symlink(void *opaque)
 out:
     put_fid(pdu, dfidp);
 out_nofid:
+    trace_v9fs_symlink2(pdu->tag, pdu->id, qid.type, qid.version, qid.path);
     complete_pdu(pdu->s, pdu, err);
     v9fs_string_free(&name);
     v9fs_string_free(&symname);
@@ -2385,6 +2423,7 @@ static void v9fs_flush(void *opaque)
     V9fsState *s = pdu->s;
 
     pdu_unmarshal(pdu, offset, "w", &tag);
+    trace_v9fs_flush(pdu->tag, pdu->id, tag);
 
     QLIST_FOREACH(cancel_pdu, &s->active_list, next) {
         if (cancel_pdu->tag == tag) {
@@ -2415,6 +2454,7 @@ static void v9fs_link(void *opaque)
     int err = 0;
 
     pdu_unmarshal(pdu, offset, "dds", &dfid, &oldfid, &name);
+    trace_v9fs_link(pdu->tag, pdu->id, dfid, oldfid, name.data);
 
     dfidp = get_fid(pdu, dfid);
     if (dfidp == NULL) {
@@ -2448,6 +2488,7 @@ static void v9fs_remove(void *opaque)
     V9fsPDU *pdu = opaque;
 
     pdu_unmarshal(pdu, offset, "d", &fid);
+    trace_v9fs_remove(pdu->tag, pdu->id, fid);
 
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
@@ -2727,6 +2768,7 @@ static void v9fs_wstat(void *opaque)
     V9fsState *s = pdu->s;
 
     pdu_unmarshal(pdu, offset, "dwS", &fid, &unused, &v9stat);
+    trace_v9fs_wstat(pdu->tag, pdu->id, fid, v9stat.mode, v9stat.atime, 
v9stat.mtime);
 
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
@@ -2895,6 +2937,7 @@ static void v9fs_mknod(void *opaque)
 
     pdu_unmarshal(pdu, offset, "dsdddd", &fid, &name, &mode,
                   &major, &minor, &gid);
+    trace_v9fs_mknod1(pdu->tag, pdu->id, fid, mode, major, minor);
 
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
@@ -2912,6 +2955,7 @@ static void v9fs_mknod(void *opaque)
 out:
     put_fid(pdu, fidp);
 out_nofid:
+    trace_v9fs_mknod2(pdu->tag, pdu->id, qid.type, qid.version, qid.path);
     complete_pdu(s, pdu, err);
     v9fs_string_free(&name);
 }
@@ -2939,6 +2983,9 @@ static void v9fs_lock(void *opaque)
     pdu_unmarshal(pdu, offset, "dbdqqds", &fid, &flock->type,
                   &flock->flags, &flock->start, &flock->length,
                   &flock->proc_id, &flock->client_id);
+
+    trace_v9fs_lock1(pdu->tag, pdu->id, fid, flock->type, flock->start, 
flock->length);
+
     status = P9_LOCK_ERROR;
 
     /* We support only block flag now (that too ignored currently) */
@@ -2961,6 +3008,7 @@ out:
 out_nofid:
     err = offset;
     err += pdu_marshal(pdu, offset, "b", status);
+    trace_v9fs_lock2(pdu->tag, pdu->id, status);
     complete_pdu(s, pdu, err);
     v9fs_string_free(&flock->client_id);
     g_free(flock);
@@ -2985,6 +3033,8 @@ static void v9fs_getlock(void *opaque)
                   &glock->start, &glock->length, &glock->proc_id,
                   &glock->client_id);
 
+    trace_v9fs_getlock1(pdu->tag, pdu->id, fid, glock->type, glock->start, 
glock->length);
+
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
         err = -ENOENT;
@@ -3002,6 +3052,9 @@ static void v9fs_getlock(void *opaque)
 out:
     put_fid(pdu, fidp);
 out_nofid:
+    trace_v9fs_getlock2(pdu->tag, pdu->id, glock->type, glock->start,
+                        glock->length, glock->proc_id);
+
     complete_pdu(s, pdu, err);
     v9fs_string_free(&glock->client_id);
     g_free(glock);
@@ -3022,6 +3075,8 @@ static void v9fs_mkdir(void *opaque)
 
     pdu_unmarshal(pdu, offset, "dsdd", &fid, &name, &mode, &gid);
 
+    trace_v9fs_mkdir1(pdu->tag, pdu->id, fid, name.data, mode, gid);
+
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
         err = -ENOENT;
@@ -3037,6 +3092,7 @@ static void v9fs_mkdir(void *opaque)
 out:
     put_fid(pdu, fidp);
 out_nofid:
+    trace_v9fs_mkdir2(pdu->tag, pdu->id, qid.type, qid.version, qid.path, err);
     complete_pdu(pdu->s, pdu, err);
     v9fs_string_free(&name);
 }
@@ -3054,6 +3110,8 @@ static void v9fs_xattrwalk(void *opaque)
     V9fsState *s = pdu->s;
 
     pdu_unmarshal(pdu, offset, "dds", &fid, &newfid, &name);
+    trace_v9fs_xattrwalk1(pdu->tag, pdu->id, fid, newfid, name.data);
+
     file_fidp = get_fid(pdu, fid);
     if (file_fidp == NULL) {
         err = -ENOENT;
@@ -3130,6 +3188,7 @@ out:
         put_fid(pdu, xattr_fidp);
     }
 out_nofid:
+    trace_v9fs_xattrwalk2(pdu->tag, pdu->id, size);
     complete_pdu(s, pdu, err);
     v9fs_string_free(&name);
 }
@@ -3149,6 +3208,7 @@ static void v9fs_xattrcreate(void *opaque)
 
     pdu_unmarshal(pdu, offset, "dsqd",
                   &fid, &name, &size, &flags);
+    trace_v9fs_xattrcreate(pdu->tag, pdu->id, fid, name.data, size, flags);
 
     file_fidp = get_fid(pdu, fid);
     if (file_fidp == NULL) {
@@ -3185,6 +3245,7 @@ static void v9fs_readlink(void *opaque)
     V9fsFidState *fidp;
 
     pdu_unmarshal(pdu, offset, "d", &fid);
+    trace_v9fs_readlink1(pdu->tag, pdu->id, fid);
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
         err = -ENOENT;
@@ -3202,6 +3263,7 @@ static void v9fs_readlink(void *opaque)
 out:
     put_fid(pdu, fidp);
 out_nofid:
+    trace_v9fs_readlink2(pdu->tag, pdu->id, target.data);
     complete_pdu(pdu->s, pdu, err);
 }
 
diff --git a/trace-events b/trace-events
index a31d9aa..143c9f0 100644
--- a/trace-events
+++ b/trace-events
@@ -502,3 +502,50 @@ escc_sunkbd_event_in(int ch) "Untranslated keycode %2.2x"
 escc_sunkbd_event_out(int ch) "Translated keycode %2.2x"
 escc_kbd_command(int val) "Command %d"
 escc_sunmouse_event(int dx, int dy, int buttons_state) "dx=%d dy=%d 
buttons=%01x"
+
+
+# hw/9pfs/virtio-9p.c
+complete_pdu(uint16_t tag, uint8_t id, int8_t resp_id) "tag %d id %d 
response_id %d"
+v9fs_version1(uint16_t tag, uint8_t id, int32_t msize, char* version) "tag %d 
id %d msize %d version %s"
+v9fs_version2(uint16_t tag, uint8_t id, int32_t msize, char* version) "tag %d 
id %d msize %d version %s"
+v9fs_attach1(uint16_t tag, uint8_t id, int32_t fid, int32_t afid, char* uname, 
char* aname) "tag %d id %d fid %d afid %d aname %s"
+v9fs_attach2(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t 
path) "tag %d id %d type %d version %d path %"PRId64""
+v9fs_stat1(uint16_t tag, uint8_t id, int32_t fid) "tag %d id %d fid %d"
+v9fs_stat2(uint16_t tag, uint8_t id, int32_t mode, int32_t atime, int32_t 
mtime, int64_t length) "tag %d id %d stat={mode %d atime %d mtime %d length 
%"PRId64"}"
+v9fs_getattr1(uint16_t tag, uint8_t id, int32_t fid, uint64_t request_mask) 
"tag %d id %d fid %d request_mask %"PRIu64""
+v9fs_getattr2(uint16_t tag, uint8_t id, uint64_t result_mask, uint32_t mode, 
uint32_t uid, uint32_t gid) "tag %d id %d getattr={result_mask %"PRId64" mode 
%u uid %u gid %u}"
+v9fs_walk1(uint16_t tag, uint8_t id, int32_t fid, int32_t newfid, uint16_t 
nwnames) "tag %d id %d fid %d newfid %d nwnames %d"
+v9fs_walk2(uint16_t tag, uint8_t id, uint16_t nwnames, void* qids) "tag %d id 
%d nwnames %d qids %p"
+v9fs_open1(uint16_t tag, uint8_t id, int32_t fid, int32_t mode) "tag %d id %d 
fid %d mode %d"
+v9fs_open2(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t 
path, int iounit) "tag %d id %d qid={type %d version %d path %"PRId64"} iounit 
%d"
+v9fs_lcreate1(uint16_t tag, uint8_t id, int32_t dfid, int32_t flags, int32_t 
mode, uint32_t gid) "tag %d id %d dfid %d flags %d mode %d gid %u"
+v9fs_lcreate2(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t 
path, int32_t iounit) "tag %d id %d qid={type %d version %d path %"PRId64"}"
+v9fs_fsync(uint16_t tag, uint8_t id, int32_t fid, int datasync) "tag %d id %d 
fid %d datasync %d"
+v9fs_clunk(uint16_t tag, uint8_t id, int32_t fid) "tag %d id %d fid %d"
+v9fs_read1(uint16_t tag, uint8_t id, int32_t fid, int64_t off, int32_t 
max_count) "tag %d id %d fid %d off %"PRId64" max_count %d"
+v9fs_read2(uint16_t tag, uint8_t id, int32_t count, ssize_t err) "tag %d id %d 
count %d err %zd"
+v9fs_readdir1(uint16_t tag, uint8_t id, int32_t fid, int64_t offset, int32_t 
max_count) "tag %d id %d fid %d offset %"PRId64" max_count %d"
+v9fs_readdir2(uint16_t tag, uint8_t id, int32_t count, ssize_t retval) "tag %d 
id %d count %d retval %zd"
+v9fs_write1(uint16_t tag, uint8_t id, int32_t fid, int64_t off, int32_t count, 
int cnt) "tag %d id %d fid %d off %"PRId64" count %d cnt %d"
+v9fs_write2(uint16_t tag, uint8_t id, int32_t total, ssize_t err) "tag %d id 
%d total %d err %zd"
+v9fs_create1(uint16_t tag, uint8_t id, int32_t fid, char* name, int32_t perm, 
int8_t mode) "tag %d id %d fid %d name %s perm %d mode %d"
+v9fs_create2(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t 
path, int iounit) "tag %d id %d qid={type %d version %d path %"PRId64"} iounit 
%d"
+v9fs_symlink1(uint16_t tag, uint8_t id, int32_t fid,  char* name, char* 
symname, uint32_t gid) "tag %d id %d fid %d name %s symname %s gid %u"
+v9fs_symlink2(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t 
path) "tag %d id %d qid={type %d version %d path %"PRId64"}"
+v9fs_flush(uint16_t tag, uint8_t id, int16_t flush_tag) "tag %d id %d 
flush_tag %d"
+v9fs_link(uint16_t tag, uint8_t id, int32_t dfid, int32_t oldfid, char* name) 
"tag %d id %d dfid %d oldfid %d name %s"
+v9fs_remove(uint16_t tag, uint8_t id, int32_t fid) "tag %d id %d fid %d"
+v9fs_wstat(uint16_t tag, uint8_t id, int32_t fid, int32_t mode, int32_t atime, 
int32_t mtime) "tag %d id %d fid %d stat={mode %d atime %d mtime}"
+v9fs_mknod1(uint16_t tag, uint8_t id, int32_t fid, int mode, int major, int 
minor) "tag %d id %d fid %d mode %d major %d minor %d"
+v9fs_mknod2(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t 
path) "tag %d id %d qid={type %d version %d path %"PRId64"}"
+v9fs_lock1(uint16_t tag, uint8_t id, int32_t fid, uint8_t type, uint64_t 
start, uint64_t length) "tag %d id %d fid %d type %d start %"PRIu64" length 
%"PRIu64""
+v9fs_lock2(uint16_t tag, uint8_t id, int8_t status) "tag %d id %d status %d"
+v9fs_getlock1(uint16_t tag, uint8_t id, int32_t fid, uint8_t type, uint64_t 
start, uint64_t length)"tag %d id %d fid %d type %d start %"PRIu64" length 
%"PRIu64""
+v9fs_getlock2(uint16_t tag, uint8_t id, uint8_t type, uint64_t start, uint64_t 
length, uint32_t proc_id) "tag %d id %d type %d start %"PRIu64" length 
%"PRIu64" proc_id %u"
+v9fs_mkdir1(uint16_t tag, uint8_t id, int32_t fid, char* name, int mode, 
uint32_t gid) "tag %d id %d fid %d name %s mode %d"
+v9fs_mkdir2(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t 
path, int err) "tag %d id %d qid={type %d version %d path %"PRId64"}"
+v9fs_xattrwalk1(uint16_t tag, uint8_t id, int32_t fid, int32_t newfid, char* 
name) "tag %d id %d fid %d newfid %d name %s"
+v9fs_xattrwalk2(uint16_t tag, uint8_t id, int64_t size) "tag %d id %d size 
%"PRId64""
+v9fs_xattrcreate(uint16_t tag, uint8_t id, int32_t fid, char* name, int64_t 
size, int flags) "tag %d id %d fid %d name %s size %"PRId64" flags %d"
+v9fs_readlink1(uint16_t tag, uint8_t id, int32_t fid) "tag %d id %d fid %d"
+v9fs_readlink2(uint16_t tag, uint8_t id, char* target) "tag %d id %d name %s"
-- 
1.7.1.1




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