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Commit 1265cc36 authored by tor-jeremiassen's avatar tor-jeremiassen Committed by Mathieu Poirier
Browse files

perf tools: decoding capailitity for CoreSight traces 

Added user space perf functionality for CoreSight trace decoding.
parent 56139d02

tools/perf/Makefile.perf

+3 −0
Original line number Diff line number Diff line
@@ -77,6 +77,9 @@ include config/utilities.mak 
# Define NO_AUXTRACE if you do not want AUX area tracing support

#

# Define NO_LIBBPF if you do not want BPF support

#

# Define NO_CSTRACE if you do not want CoreSight trace decoding support

#



# As per kernel Makefile, avoid funny character set dependencies

unexport LC_ALL

tools/perf/builtin-script.c

+2 −1
Original line number Diff line number Diff line
@@ -92,7 +92,8 @@ static struct { 


		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |

			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |

			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |

			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_ADDR |

                              PERF_OUTPUT_IP |

			      PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |

			      PERF_OUTPUT_PERIOD,

tools/perf/config/Makefile

+18 −0
Original line number Diff line number Diff line
@@ -433,6 +433,24 @@ endif 
grep-libs  = $(filter -l%,$(1))

strip-libs = $(filter-out -l%,$(1))



ifdef CSTRACE_PATH

  ifeq (${IS_64_BIT}, 1)

    CSTRACE_LNX = linux64

  else

    CSTRACE_LNX = linux

  endif

  ifdef DEBUG

    LIBCSTRACE = -lcstraced_c_api -lcstraced

    CSTRACE_LIB_PATH = $(CSTRACE_PATH)/lib/$(CSTRACE_LNX)/dbg

  else

    LIBCSTRACE = -lcstrace_c_api -lcstrace

    CSTRACE_LIB_PATH = $(CSTRACE_PATH)/lib/$(CSTRACE_LNX)/rel

  endif

  $(call detected,CSTRACE)

  $(call detected_var,CSTRACE_PATH)

  EXTLIBS += -L$(CSTRACE_LIB_PATH) $(LIBCSTRACE) -lstdc++

endif



ifdef NO_LIBPERL

  CFLAGS += -DNO_LIBPERL

else

tools/perf/util/Build

+2 −0
Original line number Diff line number Diff line
@@ -84,6 +84,8 @@ libperf-$(CONFIG_AUXTRACE) += auxtrace.o 
libperf-$(CONFIG_AUXTRACE) += intel-pt-decoder/

libperf-$(CONFIG_AUXTRACE) += intel-pt.o

libperf-$(CONFIG_AUXTRACE) += intel-bts.o

libperf-$(CONFIG_AUXTRACE) += cs-etm.o

libperf-$(CONFIG_AUXTRACE) += cs-etm-decoder/

libperf-y += parse-branch-options.o

libperf-y += parse-regs-options.o

tools/perf/util/auxtrace.c

+2 −0
Original line number Diff line number Diff line
@@ -49,6 +49,7 @@ 


#include "intel-pt.h"

#include "intel-bts.h"

#include "cs-etm.h"



int auxtrace_mmap__mmap(struct auxtrace_mmap *mm,

			struct auxtrace_mmap_params *mp,
@@ -893,6 +894,7 @@ int perf_event__process_auxtrace_info(struct perf_tool *tool __maybe_unused, 
	case PERF_AUXTRACE_INTEL_BTS:

		return intel_bts_process_auxtrace_info(event, session);

	case PERF_AUXTRACE_CS_ETM:

		return cs_etm__process_auxtrace_info(event, session);

	case PERF_AUXTRACE_UNKNOWN:

	default:

		return -EINVAL;