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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>- Loading branch information
Ravi Bangoria
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Arnaldo Carvalho de Melo
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| #!/bin/bash | ||
| perf record -e "{powerpc:hcall_entry,powerpc:hcall_exit}" $@ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| #!/bin/bash | ||
| perf script $@ -s "$PERF_EXEC_PATH"/scripts/python/powerpc-hcalls.py |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -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)} |