qemu/scripts/analyse-9p-simpletrace.py

#!/usr/bin/env python3
# Pretty print 9p simpletrace log
# Usage: ./analyse-9p-simpletrace <trace-events> <trace-pid>
#
# Author: Harsh Prateek Bora
import os
import simpletrace

symbol_9p = {
    6   : 'TLERROR',
    7   : 'RLERROR',
    8   : 'TSTATFS',
    9   : 'RSTATFS',
    12  : 'TLOPEN',
    13  : 'RLOPEN',
    14  : 'TLCREATE',
    15  : 'RLCREATE',
    16  : 'TSYMLINK',
    17  : 'RSYMLINK',
    18  : 'TMKNOD',
    19  : 'RMKNOD',
    20  : 'TRENAME',
    21  : 'RRENAME',
    22  : 'TREADLINK',
    23  : 'RREADLINK',
    24  : 'TGETATTR',
    25  : 'RGETATTR',
    26  : 'TSETATTR',
    27  : 'RSETATTR',
    30  : 'TXATTRWALK',
    31  : 'RXATTRWALK',
    32  : 'TXATTRCREATE',
    33  : 'RXATTRCREATE',
    40  : 'TREADDIR',
    41  : 'RREADDIR',
    50  : 'TFSYNC',
    51  : 'RFSYNC',
    52  : 'TLOCK',
    53  : 'RLOCK',
    54  : 'TGETLOCK',
    55  : 'RGETLOCK',
    70  : 'TLINK',
    71  : 'RLINK',
    72  : 'TMKDIR',
    73  : 'RMKDIR',
    74  : 'TRENAMEAT',
    75  : 'RRENAMEAT',
    76  : 'TUNLINKAT',
    77  : 'RUNLINKAT',
    100 : 'TVERSION',
    101 : 'RVERSION',
    102 : 'TAUTH',
    103 : 'RAUTH',
    104 : 'TATTACH',
    105 : 'RATTACH',
    106 : 'TERROR',
    107 : 'RERROR',
    108 : 'TFLUSH',
    109 : 'RFLUSH',
    110 : 'TWALK',
    111 : 'RWALK',
    112 : 'TOPEN',
    113 : 'ROPEN',
    114 : 'TCREATE',
    115 : 'RCREATE',
    116 : 'TREAD',
    117 : 'RREAD',
    118 : 'TWRITE',
    119 : 'RWRITE',
    120 : 'TCLUNK',
    121 : 'RCLUNK',
    122 : 'TREMOVE',
    123 : 'RREMOVE',
    124 : 'TSTAT',
    125 : 'RSTAT',
    126 : 'TWSTAT',
    127 : 'RWSTAT'
}

class VirtFSRequestTracker(simpletrace.Analyzer):
        def begin(self):
                print("Pretty printing 9p simpletrace log ...")

        def v9fs_rerror(self, tag, id, err):
                print("RERROR (tag =", tag, ", id =", symbol_9p[id], ", err = \"", os.strerror(err), "\")")

        def v9fs_version(self, tag, id, msize, version):
                print("TVERSION (tag =", tag, ", msize =", msize, ", version =", version, ")")

        def v9fs_version_return(self, tag, id, msize, version):
                print("RVERSION (tag =", tag, ", msize =", msize, ", version =", version, ")")

        def v9fs_attach(self, tag, id, fid, afid, uname, aname):
                print("TATTACH (tag =", tag, ", fid =", fid, ", afid =", afid, ", uname =", uname, ", aname =", aname, ")")

        def v9fs_attach_return(self, tag, id, type, version, path):
                print("RATTACH (tag =", tag, ", qid={type =", type, ", version =", version, ", path =", path, "})")

        def v9fs_stat(self, tag, id, fid):
                print("TSTAT (tag =", tag, ", fid =", fid, ")")

        def v9fs_stat_return(self, tag, id, mode, atime, mtime, length):
                print("RSTAT (tag =", tag, ", mode =", mode, ", atime =", atime, ", mtime =", mtime, ", length =", length, ")")

        def v9fs_getattr(self, tag, id, fid, request_mask):
                print("TGETATTR (tag =", tag, ", fid =", fid, ", request_mask =", hex(request_mask), ")")

        def v9fs_getattr_return(self, tag, id, result_mask, mode, uid, gid):
                print("RGETATTR (tag =", tag, ", result_mask =", hex(result_mask), ", mode =", oct(mode), ", uid =", uid, ", gid =", gid, ")")

        def v9fs_walk(self, tag, id, fid, newfid, nwnames):
                print("TWALK (tag =", tag, ", fid =", fid, ", newfid =", newfid, ", nwnames =", nwnames, ")")

        def v9fs_walk_return(self, tag, id, nwnames, qids):
                print("RWALK (tag =", tag, ", nwnames =", nwnames, ", qids =", hex(qids), ")")

        def v9fs_open(self, tag, id, fid, mode):
                print("TOPEN (tag =", tag, ", fid =", fid, ", mode =", oct(mode), ")")

        def v9fs_open_return(self, tag, id, type, version, path, iounit):
                print("ROPEN (tag =", tag,  ", qid={type =", type, ", version =", version, ", path =", path, "}, iounit =", iounit, ")")

        def v9fs_lcreate(self, tag, id, dfid, flags, mode, gid):
                print("TLCREATE (tag =", tag, ", dfid =", dfid, ", flags =", oct(flags), ", mode =", oct(mode), ", gid =", gid, ")")

        def v9fs_lcreate_return(self, tag, id, type, version, path, iounit):
                print("RLCREATE (tag =", tag,  ", qid={type =", type, ", version =", version, ", path =", path, "}, iounit =", iounit, ")")

        def v9fs_fsync(self, tag, id, fid, datasync):
                print("TFSYNC (tag =", tag, ", fid =", fid, ", datasync =", datasync, ")")

        def v9fs_clunk(self, tag, id, fid):
                print("TCLUNK (tag =", tag, ", fid =", fid, ")")

        def v9fs_read(self, tag, id, fid, off, max_count):
                print("TREAD (tag =", tag, ", fid =", fid, ", off =", off, ", max_count =", max_count, ")")

        def v9fs_read_return(self, tag, id, count, err):
                print("RREAD (tag =", tag, ", count =", count, ", err =", err, ")")

        def v9fs_readdir(self, tag, id, fid, offset, max_count):
                print("TREADDIR (tag =", tag, ", fid =", fid, ", offset =", offset, ", max_count =", max_count, ")")

        def v9fs_readdir_return(self, tag, id, count, retval):
                print("RREADDIR (tag =", tag, ", count =", count, ", retval =", retval, ")")

        def v9fs_write(self, tag, id, fid, off, count, cnt):
                print("TWRITE (tag =", tag, ", fid =", fid, ", off =", off, ", count =", count, ", cnt =", cnt, ")")

        def v9fs_write_return(self, tag, id, total, err):
                print("RWRITE (tag =", tag, ", total =", total, ", err =", err, ")")

        def v9fs_create(self, tag, id, fid, name, perm, mode):
                print("TCREATE (tag =", tag, ", fid =", fid, ", perm =", oct(perm), ", name =", name, ", mode =", oct(mode), ")")

        def v9fs_create_return(self, tag, id, type, version, path, iounit):
                print("RCREATE (tag =", tag,  ", qid={type =", type, ", version =", version, ", path =", path, "}, iounit =", iounit, ")")

        def v9fs_symlink(self, tag, id, fid, name, symname, gid):
                print("TSYMLINK (tag =", tag, ", fid =", fid, ", name =", name, ", symname =", symname, ", gid =", gid, ")")

        def v9fs_symlink_return(self, tag, id, type, version, path):
                print("RSYMLINK (tag =", tag,  ", qid={type =", type, ", version =", version, ", path =", path, "})")

        def v9fs_flush(self, tag, id, flush_tag):
                print("TFLUSH (tag =", tag, ", flush_tag =", flush_tag, ")")

        def v9fs_link(self, tag, id, dfid, oldfid, name):
                print("TLINK (tag =", tag, ", dfid =", dfid, ", oldfid =", oldfid, ", name =", name, ")")

        def v9fs_remove(self, tag, id, fid):
                print("TREMOVE (tag =", tag, ", fid =", fid, ")")

        def v9fs_wstat(self, tag, id, fid, mode, atime, mtime):
                print("TWSTAT (tag =", tag, ", fid =", fid, ", mode =", oct(mode), ", atime =", atime, "mtime =", mtime, ")")

        def v9fs_mknod(self, tag, id, fid, mode, major, minor):
                print("TMKNOD (tag =", tag, ", fid =", fid, ", mode =", oct(mode), ", major =", major, ", minor =", minor, ")")

        def v9fs_lock(self, tag, id, fid, type, start, length):
                print("TLOCK (tag =", tag, ", fid =", fid, "type =", type, ", start =", start, ", length =", length, ")")

        def v9fs_lock_return(self, tag, id, status):
                print("RLOCK (tag =", tag, ", status =", status, ")")

        def v9fs_getlock(self, tag, id, fid, type, start, length):
                print("TGETLOCK (tag =", tag, ", fid =", fid, "type =", type, ", start =", start, ", length =", length, ")")

        def v9fs_getlock_return(self, tag, id, type, start, length, proc_id):
                print("RGETLOCK (tag =", tag, "type =", type, ", start =", start, ", length =", length, ", proc_id =", proc_id,  ")")

        def v9fs_mkdir(self, tag, id, fid, name, mode, gid):
                print("TMKDIR (tag =", tag, ", fid =", fid, ", name =", name, ", mode =", mode, ", gid =", gid, ")")

        def v9fs_mkdir_return(self, tag, id, type, version, path, err):
                print("RMKDIR (tag =", tag,  ", qid={type =", type, ", version =", version, ", path =", path, "}, err =", err, ")")

        def v9fs_xattrwalk(self, tag, id, fid, newfid, name):
                print("TXATTRWALK (tag =", tag, ", fid =", fid, ", newfid =", newfid, ", xattr name =", name, ")")

        def v9fs_xattrwalk_return(self, tag, id, size):
                print("RXATTRWALK (tag =", tag, ", xattrsize  =", size, ")")

        def v9fs_xattrcreate(self, tag, id, fid, name, size, flags):
                print("TXATTRCREATE (tag =", tag, ", fid =", fid, ", name =", name, ", xattrsize =", size, ", flags =", flags, ")")

        def v9fs_readlink(self, tag, id, fid):
                print("TREADLINK (tag =", tag, ", fid =", fid, ")")

        def v9fs_readlink_return(self, tag, id, target):
                print("RREADLINK (tag =", tag, ", target =", target, ")")

simpletrace.run(VirtFSRequestTracker())