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@linux.ibm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20180605124801.17210-1-ravi.bangoria@linux.ibm.com
[ Fixup typo: table_loockup -> table_lookup ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ravi Bangoria
Arnaldo Carvalho de Melo
parent
005cc008bc
commit
ec1e6e6a68
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#!/bin/bash
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perf record -e "{powerpc:hcall_entry,powerpc:hcall_exit}" $@
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#!/bin/bash
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perf script $@ -s "$PERF_EXEC_PATH"/scripts/python/powerpc-hcalls.py
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# SPDX-License-Identifier: GPL-2.0+
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#
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# Copyright (C) 2018 Ravi Bangoria, IBM Corporation
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#
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# Hypervisor call statisics
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import os
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import sys
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sys.path.append(os.environ['PERF_EXEC_PATH'] + \
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'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
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from perf_trace_context import *
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from Core import *
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from Util import *
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# output: {
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# opcode: {
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# 'min': minimum time nsec
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# 'max': maximum time nsec
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# 'time': average time nsec
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# 'cnt': counter
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# } ...
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# }
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output = {}
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# d_enter: {
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# cpu: {
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# opcode: nsec
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# } ...
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# }
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d_enter = {}
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hcall_table = {
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4: 'H_REMOVE',
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8: 'H_ENTER',
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12: 'H_READ',
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16: 'H_CLEAR_MOD',
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20: 'H_CLEAR_REF',
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24: 'H_PROTECT',
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28: 'H_GET_TCE',
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32: 'H_PUT_TCE',
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36: 'H_SET_SPRG0',
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40: 'H_SET_DABR',
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44: 'H_PAGE_INIT',
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48: 'H_SET_ASR',
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52: 'H_ASR_ON',
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56: 'H_ASR_OFF',
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60: 'H_LOGICAL_CI_LOAD',
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64: 'H_LOGICAL_CI_STORE',
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68: 'H_LOGICAL_CACHE_LOAD',
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72: 'H_LOGICAL_CACHE_STORE',
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76: 'H_LOGICAL_ICBI',
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80: 'H_LOGICAL_DCBF',
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84: 'H_GET_TERM_CHAR',
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88: 'H_PUT_TERM_CHAR',
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92: 'H_REAL_TO_LOGICAL',
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96: 'H_HYPERVISOR_DATA',
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100: 'H_EOI',
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104: 'H_CPPR',
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108: 'H_IPI',
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112: 'H_IPOLL',
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116: 'H_XIRR',
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120: 'H_MIGRATE_DMA',
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124: 'H_PERFMON',
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220: 'H_REGISTER_VPA',
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224: 'H_CEDE',
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228: 'H_CONFER',
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232: 'H_PROD',
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236: 'H_GET_PPP',
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240: 'H_SET_PPP',
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244: 'H_PURR',
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248: 'H_PIC',
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252: 'H_REG_CRQ',
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256: 'H_FREE_CRQ',
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260: 'H_VIO_SIGNAL',
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264: 'H_SEND_CRQ',
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272: 'H_COPY_RDMA',
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276: 'H_REGISTER_LOGICAL_LAN',
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280: 'H_FREE_LOGICAL_LAN',
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284: 'H_ADD_LOGICAL_LAN_BUFFER',
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288: 'H_SEND_LOGICAL_LAN',
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292: 'H_BULK_REMOVE',
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304: 'H_MULTICAST_CTRL',
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308: 'H_SET_XDABR',
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312: 'H_STUFF_TCE',
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316: 'H_PUT_TCE_INDIRECT',
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332: 'H_CHANGE_LOGICAL_LAN_MAC',
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336: 'H_VTERM_PARTNER_INFO',
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340: 'H_REGISTER_VTERM',
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344: 'H_FREE_VTERM',
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348: 'H_RESET_EVENTS',
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352: 'H_ALLOC_RESOURCE',
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356: 'H_FREE_RESOURCE',
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360: 'H_MODIFY_QP',
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364: 'H_QUERY_QP',
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368: 'H_REREGISTER_PMR',
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372: 'H_REGISTER_SMR',
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376: 'H_QUERY_MR',
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380: 'H_QUERY_MW',
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384: 'H_QUERY_HCA',
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388: 'H_QUERY_PORT',
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392: 'H_MODIFY_PORT',
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396: 'H_DEFINE_AQP1',
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400: 'H_GET_TRACE_BUFFER',
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404: 'H_DEFINE_AQP0',
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408: 'H_RESIZE_MR',
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412: 'H_ATTACH_MCQP',
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416: 'H_DETACH_MCQP',
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420: 'H_CREATE_RPT',
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424: 'H_REMOVE_RPT',
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428: 'H_REGISTER_RPAGES',
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432: 'H_DISABLE_AND_GETC',
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436: 'H_ERROR_DATA',
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440: 'H_GET_HCA_INFO',
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444: 'H_GET_PERF_COUNT',
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448: 'H_MANAGE_TRACE',
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468: 'H_FREE_LOGICAL_LAN_BUFFER',
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472: 'H_POLL_PENDING',
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484: 'H_QUERY_INT_STATE',
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580: 'H_ILLAN_ATTRIBUTES',
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592: 'H_MODIFY_HEA_QP',
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596: 'H_QUERY_HEA_QP',
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600: 'H_QUERY_HEA',
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604: 'H_QUERY_HEA_PORT',
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608: 'H_MODIFY_HEA_PORT',
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612: 'H_REG_BCMC',
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616: 'H_DEREG_BCMC',
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620: 'H_REGISTER_HEA_RPAGES',
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624: 'H_DISABLE_AND_GET_HEA',
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628: 'H_GET_HEA_INFO',
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632: 'H_ALLOC_HEA_RESOURCE',
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644: 'H_ADD_CONN',
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648: 'H_DEL_CONN',
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664: 'H_JOIN',
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676: 'H_VASI_STATE',
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688: 'H_ENABLE_CRQ',
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696: 'H_GET_EM_PARMS',
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720: 'H_SET_MPP',
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724: 'H_GET_MPP',
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748: 'H_HOME_NODE_ASSOCIATIVITY',
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756: 'H_BEST_ENERGY',
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764: 'H_XIRR_X',
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768: 'H_RANDOM',
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772: 'H_COP',
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788: 'H_GET_MPP_X',
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796: 'H_SET_MODE',
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61440: 'H_RTAS',
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}
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def hcall_table_lookup(opcode):
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if (hcall_table.has_key(opcode)):
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return hcall_table[opcode]
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else:
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return opcode
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print_ptrn = '%-28s%10s%10s%10s%10s'
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def trace_end():
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print print_ptrn % ('hcall', 'count', 'min(ns)', 'max(ns)', 'avg(ns)')
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print '-' * 68
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for opcode in output:
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h_name = hcall_table_lookup(opcode)
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time = output[opcode]['time']
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cnt = output[opcode]['cnt']
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min_t = output[opcode]['min']
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max_t = output[opcode]['max']
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print print_ptrn % (h_name, cnt, min_t, max_t, time/cnt)
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def powerpc__hcall_exit(name, context, cpu, sec, nsec, pid, comm, callchain,
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opcode, retval):
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if (d_enter.has_key(cpu) and d_enter[cpu].has_key(opcode)):
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diff = nsecs(sec, nsec) - d_enter[cpu][opcode]
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if (output.has_key(opcode)):
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output[opcode]['time'] += diff
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output[opcode]['cnt'] += 1
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if (output[opcode]['min'] > diff):
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output[opcode]['min'] = diff
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if (output[opcode]['max'] < diff):
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output[opcode]['max'] = diff
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else:
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output[opcode] = {
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'time': diff,
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'cnt': 1,
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'min': diff,
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'max': diff,
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}
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del d_enter[cpu][opcode]
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# else:
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# print "Can't find matching hcall_enter event. Ignoring sample"
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def powerpc__hcall_entry(event_name, context, cpu, sec, nsec, pid, comm,
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callchain, opcode):
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if (d_enter.has_key(cpu)):
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d_enter[cpu][opcode] = nsecs(sec, nsec)
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else:
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d_enter[cpu] = {opcode: nsecs(sec, nsec)}
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