Re: Make perf script easier to use for itrace

[Kim Phillips]

On Fri, 31 Aug 2018 15:01:56 -0700
Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:

> Also available in
> git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc.git pt/easy-script-2
> 
> v1: Initial post
> v2: Address review comments. Minor fixes to descriptions. Now builds everywhere.

OK, I grabbed the pt/easy-script-2 branch (commit 4c69fd388e17), and
see build failures for a 'make -C perf' build using gcc version 7.3.0
(Ubuntu 18.04):

builtin-script.c: In function âparse_output_fieldsâ:
builtin-script.c:2571:22: error: array subscript is above array bounds [-Werror=array-bounds]
     output[j].fields &= ~all_output_options[i].field;
                      ^~
builtin-script.c:2571:22: error: array subscript is above array bounds [-Werror=array-bounds]
     output[j].fields &= ~all_output_options[i].field;
     ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
builtin-script.c:2574:10: error: array subscript is above array bounds [-Werror=array-bounds]
    output[j].user_set = true;
    ~~~~~~^~~
builtin-script.c:2575:10: error: array subscript is above array bounds [-Werror=array-bounds]
    output[j].wildcard_set = true;
    ~~~~~~^~~
...
util/cs-etm.c: In function âcs_etm__process_auxtrace_infoâ:
util/cs-etm.c:1436:14: error: âstruct perf_sessionâ has no member named âitrace_synthâ; did you mean âitrace_synth_optsâ?
     session->itrace_synth.default_no_sample);
              ^~~~~~~~~~~~
              itrace_synth_opts

Thanks,

Kim

p.s. FWIW, my make VF=1 output:

Auto-detecting system features:
...                         dwarf: [ on  ]
...            dwarf_getlocations: [ on  ]
...                         glibc: [ on  ]
...                          gtk2: [ on  ]
...                      libaudit: [ on  ]
...                        libbfd: [ on  ]
...                        libelf: [ on  ]
...                       libnuma: [ on  ]
...        numa_num_possible_cpus: [ on  ]
...                       libperl: [ on  ]
...                     libpython: [ on  ]
...                      libslang: [ on  ]
...                     libcrypto: [ on  ]
...                     libunwind: [ on  ]
...            libdw-dwarf-unwind: [ on  ]
...                          zlib: [ on  ]
...                          lzma: [ on  ]
...                     get_cpuid: [ on  ]
...                           bpf: [ on  ]
...                     backtrace: [ on  ]
...                fortify-source: [ on  ]
...         sync-compare-and-swap: [ on  ]
...                  gtk2-infobar: [ on  ]
...             libelf-getphdrnum: [ on  ]
...           libelf-gelf_getnote: [ on  ]
...          libelf-getshdrstrndx: [ on  ]
...                   libelf-mmap: [ on  ]
...             libpython-version: [ on  ]
...                 libunwind-x86: [ OFF ]
...              libunwind-x86_64: [ on  ]
...                 libunwind-arm: [ OFF ]
...             libunwind-aarch64: [ OFF ]
...   pthread-attr-setaffinity-np: [ on  ]
...               pthread-barrier: [ on  ]
...            stackprotector-all: [ on  ]
...                       timerfd: [ on  ]
...                  sched_getcpu: [ on  ]
...                           sdt: [ on  ]
...                         setns: [ on  ]
...                    libopencsd: [ on  ]

...                        bionic: [ OFF ]
...                    compile-32: [ OFF ]
...                   compile-x32: [ OFF ]
...                cplus-demangle: [ on  ]
...                         hello: [ OFF ]
...                 libbabeltrace: [ on  ]
...                       liberty: [ on  ]
...                     liberty-z: [ on  ]
...         libunwind-debug-frame: [ OFF ]
...     libunwind-debug-frame-arm: [ OFF ]
... libunwind-debug-frame-aarch64: [ OFF ]
...                           cxx: [ OFF ]
...                          llvm: [ OFF ]
...                  llvm-version: [ OFF ]
...                         clang: [ OFF ]
...                        prefix: /home/kim
...                        bindir: /home/kim/bin
...                        libdir: /home/kim/lib64
...                    sysconfdir: /home/kim/etc
...                 LIBUNWIND_DIR: 
...                     LIBDW_DIR: 
...                          JDIR: /usr/lib/jvm/java-1.8.0-openjdk-amd64
...     DWARF post unwind library: libunwind