[tip:perf/urgent] perf script powerpc: Python script for hypervisor call statistics
From: tip-bot for Ravi Bangoria
Date: Thu Jun 07 2018 - 04:21:58 EST
Commit-ID: ec1e6e6a681815e4d02a54eed92edec6fa4128ee
Gitweb: https://git.kernel.org/tip/ec1e6e6a681815e4d02a54eed92edec6fa4128ee
Author: Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxx>
AuthorDate: Tue, 5 Jun 2018 18:18:01 +0530
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 6 Jun 2018 12:52:06 -0300
perf script powerpc: Python script for hypervisor call statistics
Add python script to show hypervisor call statistics. Ex,
# perf record -a -e "{powerpc:hcall_entry,powerpc:hcall_exit}"
# perf script -s scripts/python/powerpc-hcalls.py
hcall count min(ns) max(ns) avg(ns)
--------------------------------------------------------------------
H_RANDOM 82 838 1164 904
H_PUT_TCE 47 1078 5928 2003
H_EOI 266 1336 3546 1654
H_ENTER 28 1646 4038 1952
H_PUT_TCE_INDIRECT 230 2166 18168 6109
H_IPI 238 1072 3232 1688
H_SEND_LOGICAL_LAN 42 5488 21366 7694
H_STUFF_TCE 294 986 6210 3591
H_XIRR 266 2286 6990 3783
H_PROTECT 10 2196 3556 2555
H_VIO_SIGNAL 294 1028 2784 1311
H_ADD_LOGICAL_LAN_BUFFER 53 1978 3450 2600
H_SEND_CRQ 77 1762 7240 2447
Signed-off-by: Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Naveen N. Rao <naveen.n.rao@xxxxxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20180605124801.17210-1-ravi.bangoria@xxxxxxxxxxxxx
[ Fixup typo: table_loockup -> table_lookup ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
.../perf/scripts/python/bin/powerpc-hcalls-record | 2 +
.../perf/scripts/python/bin/powerpc-hcalls-report | 2 +
tools/perf/scripts/python/powerpc-hcalls.py | 200 +++++++++++++++++++++
3 files changed, 204 insertions(+)
diff --git a/tools/perf/scripts/python/bin/powerpc-hcalls-record b/tools/perf/scripts/python/bin/powerpc-hcalls-record
new file mode 100644
index 000000000000..b7402aa9147d
--- /dev/null
+++ b/tools/perf/scripts/python/bin/powerpc-hcalls-record
@@ -0,0 +1,2 @@
+#!/bin/bash
+perf record -e "{powerpc:hcall_entry,powerpc:hcall_exit}" $@
diff --git a/tools/perf/scripts/python/bin/powerpc-hcalls-report b/tools/perf/scripts/python/bin/powerpc-hcalls-report
new file mode 100644
index 000000000000..dd32ad7465f6
--- /dev/null
+++ b/tools/perf/scripts/python/bin/powerpc-hcalls-report
@@ -0,0 +1,2 @@
+#!/bin/bash
+perf script $@ -s "$PERF_EXEC_PATH"/scripts/python/powerpc-hcalls.py
diff --git a/tools/perf/scripts/python/powerpc-hcalls.py b/tools/perf/scripts/python/powerpc-hcalls.py
new file mode 100644
index 000000000000..00e0e7476e55
--- /dev/null
+++ b/tools/perf/scripts/python/powerpc-hcalls.py
@@ -0,0 +1,200 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2018 Ravi Bangoria, IBM Corporation
+#
+# Hypervisor call statisics
+
+import os
+import sys
+
+sys.path.append(os.environ['PERF_EXEC_PATH'] + \
+ '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
+
+from perf_trace_context import *
+from Core import *
+from Util import *
+
+# output: {
+# opcode: {
+# 'min': minimum time nsec
+# 'max': maximum time nsec
+# 'time': average time nsec
+# 'cnt': counter
+# } ...
+# }
+output = {}
+
+# d_enter: {
+# cpu: {
+# opcode: nsec
+# } ...
+# }
+d_enter = {}
+
+hcall_table = {
+ 4: 'H_REMOVE',
+ 8: 'H_ENTER',
+ 12: 'H_READ',
+ 16: 'H_CLEAR_MOD',
+ 20: 'H_CLEAR_REF',
+ 24: 'H_PROTECT',
+ 28: 'H_GET_TCE',
+ 32: 'H_PUT_TCE',
+ 36: 'H_SET_SPRG0',
+ 40: 'H_SET_DABR',
+ 44: 'H_PAGE_INIT',
+ 48: 'H_SET_ASR',
+ 52: 'H_ASR_ON',
+ 56: 'H_ASR_OFF',
+ 60: 'H_LOGICAL_CI_LOAD',
+ 64: 'H_LOGICAL_CI_STORE',
+ 68: 'H_LOGICAL_CACHE_LOAD',
+ 72: 'H_LOGICAL_CACHE_STORE',
+ 76: 'H_LOGICAL_ICBI',
+ 80: 'H_LOGICAL_DCBF',
+ 84: 'H_GET_TERM_CHAR',
+ 88: 'H_PUT_TERM_CHAR',
+ 92: 'H_REAL_TO_LOGICAL',
+ 96: 'H_HYPERVISOR_DATA',
+ 100: 'H_EOI',
+ 104: 'H_CPPR',
+ 108: 'H_IPI',
+ 112: 'H_IPOLL',
+ 116: 'H_XIRR',
+ 120: 'H_MIGRATE_DMA',
+ 124: 'H_PERFMON',
+ 220: 'H_REGISTER_VPA',
+ 224: 'H_CEDE',
+ 228: 'H_CONFER',
+ 232: 'H_PROD',
+ 236: 'H_GET_PPP',
+ 240: 'H_SET_PPP',
+ 244: 'H_PURR',
+ 248: 'H_PIC',
+ 252: 'H_REG_CRQ',
+ 256: 'H_FREE_CRQ',
+ 260: 'H_VIO_SIGNAL',
+ 264: 'H_SEND_CRQ',
+ 272: 'H_COPY_RDMA',
+ 276: 'H_REGISTER_LOGICAL_LAN',
+ 280: 'H_FREE_LOGICAL_LAN',
+ 284: 'H_ADD_LOGICAL_LAN_BUFFER',
+ 288: 'H_SEND_LOGICAL_LAN',
+ 292: 'H_BULK_REMOVE',
+ 304: 'H_MULTICAST_CTRL',
+ 308: 'H_SET_XDABR',
+ 312: 'H_STUFF_TCE',
+ 316: 'H_PUT_TCE_INDIRECT',
+ 332: 'H_CHANGE_LOGICAL_LAN_MAC',
+ 336: 'H_VTERM_PARTNER_INFO',
+ 340: 'H_REGISTER_VTERM',
+ 344: 'H_FREE_VTERM',
+ 348: 'H_RESET_EVENTS',
+ 352: 'H_ALLOC_RESOURCE',
+ 356: 'H_FREE_RESOURCE',
+ 360: 'H_MODIFY_QP',
+ 364: 'H_QUERY_QP',
+ 368: 'H_REREGISTER_PMR',
+ 372: 'H_REGISTER_SMR',
+ 376: 'H_QUERY_MR',
+ 380: 'H_QUERY_MW',
+ 384: 'H_QUERY_HCA',
+ 388: 'H_QUERY_PORT',
+ 392: 'H_MODIFY_PORT',
+ 396: 'H_DEFINE_AQP1',
+ 400: 'H_GET_TRACE_BUFFER',
+ 404: 'H_DEFINE_AQP0',
+ 408: 'H_RESIZE_MR',
+ 412: 'H_ATTACH_MCQP',
+ 416: 'H_DETACH_MCQP',
+ 420: 'H_CREATE_RPT',
+ 424: 'H_REMOVE_RPT',
+ 428: 'H_REGISTER_RPAGES',
+ 432: 'H_DISABLE_AND_GETC',
+ 436: 'H_ERROR_DATA',
+ 440: 'H_GET_HCA_INFO',
+ 444: 'H_GET_PERF_COUNT',
+ 448: 'H_MANAGE_TRACE',
+ 468: 'H_FREE_LOGICAL_LAN_BUFFER',
+ 472: 'H_POLL_PENDING',
+ 484: 'H_QUERY_INT_STATE',
+ 580: 'H_ILLAN_ATTRIBUTES',
+ 592: 'H_MODIFY_HEA_QP',
+ 596: 'H_QUERY_HEA_QP',
+ 600: 'H_QUERY_HEA',
+ 604: 'H_QUERY_HEA_PORT',
+ 608: 'H_MODIFY_HEA_PORT',
+ 612: 'H_REG_BCMC',
+ 616: 'H_DEREG_BCMC',
+ 620: 'H_REGISTER_HEA_RPAGES',
+ 624: 'H_DISABLE_AND_GET_HEA',
+ 628: 'H_GET_HEA_INFO',
+ 632: 'H_ALLOC_HEA_RESOURCE',
+ 644: 'H_ADD_CONN',
+ 648: 'H_DEL_CONN',
+ 664: 'H_JOIN',
+ 676: 'H_VASI_STATE',
+ 688: 'H_ENABLE_CRQ',
+ 696: 'H_GET_EM_PARMS',
+ 720: 'H_SET_MPP',
+ 724: 'H_GET_MPP',
+ 748: 'H_HOME_NODE_ASSOCIATIVITY',
+ 756: 'H_BEST_ENERGY',
+ 764: 'H_XIRR_X',
+ 768: 'H_RANDOM',
+ 772: 'H_COP',
+ 788: 'H_GET_MPP_X',
+ 796: 'H_SET_MODE',
+ 61440: 'H_RTAS',
+}
+
+def hcall_table_lookup(opcode):
+ if (hcall_table.has_key(opcode)):
+ return hcall_table[opcode]
+ else:
+ return opcode
+
+print_ptrn = '%-28s%10s%10s%10s%10s'
+
+def trace_end():
+ print print_ptrn % ('hcall', 'count', 'min(ns)', 'max(ns)', 'avg(ns)')
+ print '-' * 68
+ for opcode in output:
+ h_name = hcall_table_lookup(opcode)
+ time = output[opcode]['time']
+ cnt = output[opcode]['cnt']
+ min_t = output[opcode]['min']
+ max_t = output[opcode]['max']
+
+ print print_ptrn % (h_name, cnt, min_t, max_t, time/cnt)
+
+def powerpc__hcall_exit(name, context, cpu, sec, nsec, pid, comm, callchain,
+ opcode, retval):
+ if (d_enter.has_key(cpu) and d_enter[cpu].has_key(opcode)):
+ diff = nsecs(sec, nsec) - d_enter[cpu][opcode]
+
+ if (output.has_key(opcode)):
+ output[opcode]['time'] += diff
+ output[opcode]['cnt'] += 1
+ if (output[opcode]['min'] > diff):
+ output[opcode]['min'] = diff
+ if (output[opcode]['max'] < diff):
+ output[opcode]['max'] = diff
+ else:
+ output[opcode] = {
+ 'time': diff,
+ 'cnt': 1,
+ 'min': diff,
+ 'max': diff,
+ }
+
+ del d_enter[cpu][opcode]
+# else:
+# print "Can't find matching hcall_enter event. Ignoring sample"
+
+def powerpc__hcall_entry(event_name, context, cpu, sec, nsec, pid, comm,
+ callchain, opcode):
+ if (d_enter.has_key(cpu)):
+ d_enter[cpu][opcode] = nsecs(sec, nsec)
+ else:
+ d_enter[cpu] = {opcode: nsecs(sec, nsec)}