[Bugs] [Bug 1757804] New: Code coverage - call frequency is wrong

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1757804

            Bug ID: 1757804
           Summary: Code coverage - call frequency is wrong
           Product: GlusterFS
           Version: mainline
            Status: NEW
         Component: project-infrastructure
          Severity: medium
          Assignee: bugs at gluster.org
          Reporter: ykaul at redhat.com
                CC: bugs at gluster.org, gluster-infra at gluster.org
  Target Milestone: ---
    Classification: Community



We might be using an old release of the tool, but currently, it has issues with
the call frequency. As an example:

From
https://build.gluster.org/job/line-coverage/Line_20Coverage_20Report/libglusterfs/src/fd-lk.c.gcov.html:

1051783 : fd_lk_ctx_unref(fd_lk_ctx_t *lk_ctx)
      64             : {
      65     1051783 :     int ref = -1;
      66             : 
      67     1051783 :     GF_VALIDATE_OR_GOTO("fd-lk", lk_ctx, err);
      68             : 
      69     1051783 :     ref = GF_ATOMIC_DEC(lk_ctx->ref);
      70     1051783 :     if (ref < 0)
      71           0 :         GF_ASSERT(!ref);
      72     1051783 :     if (ref == 0)
      73      738446 :         _fd_lk_destroy_lock_list(lk_ctx);
      74             : 
      75     1051798 :     if (ref == 0) {
      76      738443 :         LOCK_DESTROY(&lk_ctx->lock);
      77      738442 :         GF_FREE(lk_ctx);


How exactly is line 75 called more than the others, and the whole function?!

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