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mbuf: add dump of free dynamic flags

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Add support to dump free_flags as below format:

Free bit in mbuf->ol_flags (0 = occupied, 1 = free):
  0000: 0 0 0 0 0 0 0 0
  0008: 0 0 0 0 0 0 0 0
  0010: 0 0 0 0 0 0 0 1
  0018: 1 1 1 1 1 1 1 1
  0020: 1 1 1 1 1 1 1 1
  0028: 1 0 0 0 0 0 0 0
  0030: 0 0 0 0 0 0 0 0
  0038: 0 0 0 0 0 0 0 0

Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
This commit is contained in:
Xiaolong Ye 2020-06-13 23:49:21 +08:00 committed by Thomas Monjalon
parent d27a4cb3ef
commit 6248368a9a
1 changed files with 8 additions and 0 deletions
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8
lib/librte_mbuf/rte_mbuf_dyn.c
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@ -559,5 +559,13 @@ void rte_mbuf_dyn_dump(FILE *out)
fprintf(out, "%2.2x%s", shm->free_space[i],
(i % 8 != 7) ? " " : "\n");
}
fprintf(out, "Free bit in mbuf->ol_flags (0 = occupied, 1 = free):\n");
for (i = 0; i < sizeof(uint64_t) * CHAR_BIT; i++) {
if ((i % 8) == 0)
fprintf(out, " %4.4zx: ", i);
fprintf(out, "%1.1x%s", (shm->free_flags & (1ULL << i)) ? 1 : 0,
(i % 8 != 7) ? " " : "\n");
}
rte_mcfg_tailq_write_unlock();
}