>From 182054d6c1e6a6213f3fa56aab1ca56c39f9ba80 Mon Sep 17 00:00:00 2001 From: Feng(Eric) Liu <[EMAIL PROTECTED]> Date: Mon, 31 Mar 2008 10:52:57 -0400 Subject: [PATCH] kvm: "kvmtrace_format" parses the binary trace data outputted by kvmtrace, and reformats it according to the rules in the file "formats" of definitions.
Signed-off-by: Feng(Eric) Liu <[EMAIL PROTECTED]>
---
user/formats | 23 ++++++
user/kvmtrace_format | 201
++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 224 insertions(+), 0 deletions(-)
create mode 100644 user/formats
create mode 100755 user/kvmtrace_format
diff --git a/user/formats b/user/formats
new file mode 100644
index 0000000..e85b219
--- /dev/null
+++ b/user/formats
@@ -0,0 +1,23 @@
+0x00000000 %(tsc)d (+%(reltsc)8d) unknown (0x%(event)016x) vcpu =
0x%(vcpu)08x pid = 0x%(pid)08x [ 0x%(1)08x 0x%(2)08x 0x%(3)08x
0x%(4)08x 0x%(5)08x ]
+
+0x00010001 %(tsc)d (+%(reltsc)8d) VMENTRY vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x
+0x00010002 %(tsc)d (+%(reltsc)8d) VMEXIT vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ exitcode = 0x%(1)08x, rip = 0x%(2)08x ]
+0x00020001 %(tsc)d (+%(reltsc)8d) PAGE_FAULT vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ errorcode = 0x%(1)08x, virt = 0x%(2)08x ]
+0x00020002 %(tsc)d (+%(reltsc)8d) INJ_VIRQ vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ vector = 0x%(1)02x ]
+0x00020003 %(tsc)d (+%(reltsc)8d) PEND_INTR vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ vector = 0x%(1)02x ]
+0x00020004 %(tsc)d (+%(reltsc)8d) IO_READ vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ port = 0x%(1)04x, size = %(2)d ]
+0x00020005 %(tsc)d (+%(reltsc)8d) IO_WRITE vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ port = 0x%(1)04x, size = %(2)d ]
+0x00020006 %(tsc)d (+%(reltsc)8d) CR_READ vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ CR# = %(1)d, value = 0x%(2)08x ]
+0x00020007 %(tsc)d (+%(reltsc)8d) CR_WRITE vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ CR# = %(1)d, value = 0x%(2)08x ]
+0x00020008 %(tsc)d (+%(reltsc)8d) DR_READ vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ DR# = %(1)d, value = 0x%(2)08x ]
+0x00020009 %(tsc)d (+%(reltsc)8d) DR_WRITE vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ DR# = %(1)d, value = 0x%(2)08x ]
+0x0002000A %(tsc)d (+%(reltsc)8d) MSR_READ vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ MSR# = 0x%(1)08x, data_lo = 0x%(2)08x data_hi =
0x%(3)08x ]
+0x0002000B %(tsc)d (+%(reltsc)8d) MSR_WRITE vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ MSR# = 0x%(1)08x, data_lo = 0x%(2)08x data_hi =
0x%(3)08x]
+0x0002000C %(tsc)d (+%(reltsc)8d) CPUID vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ func = 0x%(1)08x, eax = 0x%(2)08x, ebx = 0x%(3)08x,
ecx = 0x%(4)08x edx = 0x%(5)08x]
+0x0002000D %(tsc)d (+%(reltsc)8d) INTR vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ vector = 0x%(1)02x ]
+0x0002000E %(tsc)d (+%(reltsc)8d) NMI vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x
+0x0002000F %(tsc)d (+%(reltsc)8d) VMMCALL vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ func = 0x%(1)08x ]
+0x00020010 %(tsc)d (+%(reltsc)8d) HLT vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x
+0x00020011 %(tsc)d (+%(reltsc)8d) CLTS vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x
+0x00020012 %(tsc)d (+%(reltsc)8d) LMSW vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ value = 0x%(1)08x ]
+0x00020013 %(tsc)d (+%(reltsc)8d) APIC_ACCESS vcpu = 0x%(vcpu)08x
pid = 0x%(pid)08x [ offset = 0x%(1)08x ]
diff --git a/user/kvmtrace_format b/user/kvmtrace_format
new file mode 100755
index 0000000..7b71ba5
--- /dev/null
+++ b/user/kvmtrace_format
@@ -0,0 +1,201 @@
+#!/usr/bin/env python
+
+# by Mark Williamson, (C) 2004 Intel Research Cambridge
+
+# Program for reformatting trace buffer output according to
user-supplied rules
+
+import re, sys, string, signal, struct, os, getopt
+
+def usage():
+ print >> sys.stderr, \
+ "Usage: " + sys.argv[0] + """ defs-file
+ Parses trace data in binary format, as output by kvmtrace and
+ reformats it according to the rules in a file of definitions.
The
+ rules in this file should have the format ({ and } show
grouping
+ and are not part of the syntax):
+
+ {event_id}{whitespace}{text format string}
+
+ The textual format string may include format specifiers, such
as:
+ %(tsc)d, %(event)d, %(vcpu)d %(pid)d %(1)d, %(2)d,
+ %(3)d, %(4)d, %(5)d
+ [ the 'd' format specifier outputs in decimal, alternatively
'x'
+ will output in hexadecimal and 'o' will output in octal ]
+
+ Which correspond to the event ID, timestamp counter, vcpu
+ , pid and the 5 data fields from the trace record. There
should be
+ one such rule for each type of event.
+ Depending on your system and the volume of trace buffer data,
+ this script may not be able to keep up with the output of
kvmtrace
+ if it is piped directly. In these circumstances you should
have
+ kvmtrace output to a file for processing off-line.
+ """
+ sys.exit(1)
+
+def read_defs(defs_file):
+ defs = {}
+
+ fd = open(defs_file)
+
+ reg = re.compile('(\S+)\s+(\S.*)')
+
+ while True:
+ line = fd.readline()
+ if not line:
+ break
+
+ if line[0] == '#' or line[0] == '\n':
+ continue
+
+ m = reg.match(line)
+
+ if not m: print >> sys.stderr, "Bad format file" ; sys.exit(1)
+
+ defs[str(eval(m.group(1)))] = m.group(2)
+
+ return defs
+
+def sighand(x,y):
+ global interrupted
+ interrupted = 1
+
+##### Main code
+
+mhz = 0
+
+if len(sys.argv) < 2:
+ usage()
+
+try:
+ opts, arg = getopt.getopt(sys.argv[1:], "c:" )
+
+ for opt in opts:
+ if opt[0] == '-c' : mhz = int(opt[1])
+
+except getopt.GetoptError:
+ usage()
+
+signal.signal(signal.SIGTERM, sighand)
+signal.signal(signal.SIGHUP, sighand)
+signal.signal(signal.SIGINT, sighand)
+
+interrupted = 0
+
+defs = read_defs(arg[0])
+
+# structure of trace record (as output by kvmtrace):
+# HDR(I) {TSC(Q)} D1(I) D2(I) D3(I) D4(I) D5(I)
+#
+# HDR consists of EVENT:28:, n_data:3:, tsc_in:1:
+# pid:32, vcpu_id:32
+# EVENT means Event ID
+# n_data means number of data (like D1, D2, ...)
+# tsc_in means TSC data exists(1) or not(0).
+# if tsc_in == 0, TSC(Q) does not exists.
+#
+HDRREC = "III"
+TSCREC = "Q"
+D1REC = "I"
+D2REC = "II"
+D3REC = "III"
+D4REC = "IIII"
+D5REC = "IIIII"
+
+last_tsc = 0
+
+i=0
+
+while not interrupted:
+ try:
+ i=i+1
+ line = sys.stdin.read(struct.calcsize(HDRREC))
+ if not line:
+ break
+ (event, pid, vcpu_id) = struct.unpack(HDRREC, line)
+
+ n_data = event >> 28 & 0x7
+ tsc_in = event >> 31
+
+ d1 = 0
+ d2 = 0
+ d3 = 0
+ d4 = 0
+ d5 = 0
+
+ tsc = 0
+
+ if tsc_in == 1:
+ line = sys.stdin.read(struct.calcsize(TSCREC))
+ if not line:
+ break
+ tsc = struct.unpack(TSCREC, line)[0]
+
+ if n_data == 1:
+ line = sys.stdin.read(struct.calcsize(D1REC))
+ if not line:
+ break
+ d1 = struct.unpack(D1REC, line)[0]
+ if n_data == 2:
+ line = sys.stdin.read(struct.calcsize(D2REC))
+ if not line:
+ break
+ (d1, d2) = struct.unpack(D2REC, line)
+ if n_data == 3:
+ line = sys.stdin.read(struct.calcsize(D3REC))
+ if not line:
+ break
+ (d1, d2, d3) = struct.unpack(D3REC, line)
+ if n_data == 4:
+ line = sys.stdin.read(struct.calcsize(D4REC))
+ if not line:
+ break
+ (d1, d2, d3, d4) = struct.unpack(D4REC, line)
+ if n_data == 5:
+ line = sys.stdin.read(struct.calcsize(D5REC))
+ if not line:
+ break
+ (d1, d2, d3, d4, d5) = struct.unpack(D5REC, line)
+
+ event &= 0x0fffffff
+
+ # provide relative TSC
+
+ if last_tsc > 0 and tsc_in == 1:
+ reltsc = tsc - last_tsc
+ else:
+ reltsc = 0
+
+ if tsc_in == 1:
+ last_tsc = tsc
+
+ if mhz:
+ tsc = tsc / (mhz*1000000.0)
+
+ args = {'tsc' : tsc,
+ 'event' : event,
+ 'reltsc': reltsc,
+ 'pid' : pid,
+ 'vcpu' : vcpu_id,
+ '1' : d1,
+ '2' : d2,
+ '3' : d3,
+ '4' : d4,
+ '5' : d5 }
+
+ try:
+
+ if defs.has_key(str(event)):
+ print defs[str(event)] % args
+ else:
+ if defs.has_key(str(0)): print defs[str(0)] % args
+ except TypeError:
+ if defs.has_key(str(event)):
+ print defs[str(event)]
+ print args
+ else:
+ if defs.has_key(str(0)):
+ print defs[str(0)]
+ print args
+
+
+ except IOError, struct.error: sys.exit()
--
1.5.1
--Eric (Liu, Feng)
0001-kvm-kvmtrace_format-parses-the-binary-trace-data.patch
Description: 0001-kvm-kvmtrace_format-parses-the-binary-trace-data.patch
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