Re: [PATCH]Perf: Return error code for perf_session__new function on failure

[Jiri Olsa <jolsa@redhat.com>]

On Wed, Aug 14, 2019 at 03:02:18PM +0530, Mamatha Inamdar wrote:
> This Patch is to return error code of perf_new_session function
> on failure instead of NULL
> ----------------------------------------------
> Test Results:
> 
> Before Fix:
> 
> $ perf c2c report -input
> failed to open nput: No such file or directory
> 
> $ echo $?
> 0
> ------------------------------------------
> After Fix:
> 
> $ ./perf c2c report -input
> failed to open nput: No such file or directory
> 
> $ echo $?
> 254
> 
> Signed-off-by: Mamatha Inamdar <mamatha4@linux.vnet.ibm.com>
> Acked-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
> Reported-by: Nageswara R Sastry <rnsastry@linux.vnet.ibm.com>
> Tested-by: Nageswara R Sastry <rnsastry@linux.vnet.ibm.com>
> ---
>  tools/perf/builtin-annotate.c      |    5 +++--
>  tools/perf/builtin-buildid-cache.c |    5 +++--
>  tools/perf/builtin-buildid-list.c  |    5 +++--
>  tools/perf/builtin-c2c.c           |    6 ++++--
>  tools/perf/builtin-diff.c          |    9 +++++----
>  tools/perf/builtin-evlist.c        |    5 +++--
>  tools/perf/builtin-inject.c        |    5 +++--
>  tools/perf/builtin-kmem.c          |    5 +++--
>  tools/perf/builtin-kvm.c           |    9 +++++----
>  tools/perf/builtin-lock.c          |    5 +++--
>  tools/perf/builtin-mem.c           |    5 +++--
>  tools/perf/builtin-record.c        |    5 +++--
>  tools/perf/builtin-report.c        |    4 ++--
>  tools/perf/builtin-sched.c         |   11 ++++++-----
>  tools/perf/builtin-script.c        |    9 +++++----
>  tools/perf/builtin-stat.c          |   11 ++++++-----
>  tools/perf/builtin-timechart.c     |    5 +++--
>  tools/perf/builtin-top.c           |    5 +++--
>  tools/perf/builtin-trace.c         |    4 ++--
>  tools/perf/util/data-convert-bt.c  |    4 +++-
>  tools/perf/util/session.c          |   13 +++++++++----
>  21 files changed, 80 insertions(+), 55 deletions(-)

I'm getting few conflicts, please rebase to latest Arnaldo's perf/core

patching file builtin-annotate.c
patching file builtin-buildid-cache.c
patching file builtin-buildid-list.c
patching file builtin-c2c.c
patching file builtin-diff.c
patching file builtin-evlist.c
patching file builtin-inject.c
patching file builtin-kmem.c
patching file builtin-kvm.c
patching file builtin-lock.c
patching file builtin-mem.c
patching file builtin-record.c
Hunk #2 succeeded at 1361 (offset 23 lines).
patching file builtin-report.c
patching file builtin-sched.c
patching file builtin-script.c
Hunk #1 FAILED at 48.
Hunk #2 succeeded at 3073 (offset 1 line).
Hunk #3 succeeded at 3743 (offset 1 line).
1 out of 3 hunks FAILED -- saving rejects to file builtin-script.c.rej
patching file builtin-stat.c
Hunk #1 succeeded at 81 with fuzz 1.
Hunk #2 succeeded at 1447 (offset 1 line).
Hunk #3 succeeded at 1646 (offset 1 line).
patching file builtin-timechart.c
patching file builtin-top.c
Hunk #1 succeeded at 74 (offset -1 lines).
Hunk #2 succeeded at 1668 (offset 25 lines).
patching file builtin-trace.c
Hunk #1 succeeded at 3573 (offset 320 lines).
patching file util/data-convert-bt.c
patching file util/session.c
Hunk #1 succeeded at 30 (offset 2 lines).
Hunk #2 succeeded at 184 (offset 2 lines).
Hunk #3 succeeded at 199 (offset 2 lines).
Hunk #4 succeeded at 222 (offset 2 lines).
Hunk #5 succeeded at 257 (offset 2 lines).

thanks,
jirka