Messages in this thread | | | Date | Tue, 1 Sep 2015 01:29:51 -0700 | Subject | Re: [BUG] perf: does not compile on ARM because of Intel PT code | From | Stephane Eranian <> |
| |
On Tue, Sep 1, 2015 at 1:26 AM, Adrian Hunter <adrian.hunter@intel.com> wrote: > On 01/09/15 11:26, Stephane Eranian wrote: >> Hi, >> >> If you compile tip.git on ARM32 (or ARM64, I bet) you compile link time errors: >> >> libperf.a(libperf-in.o): In function `intel_pt_synth_branch_sample': >> /home/ubuntu/perfmon/linux/tools/perf/util/intel-pt.c:899: undefined >> reference to `tsc_to_perf_time' >> libperf.a(libperf-in.o): In function `intel_pt_synth_transaction_sample': >> /home/ubuntu/perfmon/linux/tools/perf/util/intel-pt.c:992: undefined >> reference to `tsc_to_perf_time' >> libperf.a(libperf-in.o): In function `intel_pt_synth_instruction_sample': >> /home/ubuntu/perfmon/linux/tools/perf/util/intel-pt.c:943: undefined >> reference to `tsc_to_perf_time' >> libperf.a(libperf-in.o): In function `intel_pt_process_event': >> /home/ubuntu/perfmon/linux/tools/perf/util/intel-pt.c:1484: undefined >> reference to `perf_time_to_tsc' >> libperf.a(libperf-in.o): In function `intel_pt_process_itrace_start': >> /home/ubuntu/perfmon/linux/tools/perf/util/intel-pt.c:1455: undefined >> reference to `perf_time_to_tsc' >> libperf.a(libperf-in.o): In function `intel_pt_process_switch': >> /home/ubuntu/perfmon/linux/tools/perf/util/intel-pt.c:1405: undefined >> reference to `perf_time_to_tsc' >> /home/ubuntu/perfmon/linux/tools/perf/util/intel-pt.c:1427: undefined >> reference to `perf_time_to_tsc' >> libperf.a(libperf-in.o): In function `intel_bts_process_event': >> /home/ubuntu/perfmon/linux/tools/perf/util/intel-bts.c:614: undefined >> reference to `perf_time_to_tsc' >> >> That's because if AUXTRACE is detected, it pulls in x86 specific stuff >> like intel-pt. This should >> be decoupled. > > Ingo just pulled the fix for that a moment ago. Look for "perf tools: Fix > build on powerpc broken by pt/bts" > Ok, good. I was testing on Linus' tree not tip.git.
| |