On 6/8/2017 3:38 PM, Olivier Matz wrote:
Hi Hemant,

On Tue, 23 May 2017 15:03:48 +0530, Hemant Agrawal <hemant.agra...@nxp.com> 
wrote:
Debug logs are helpful for better debugging. Alloc
was having the logs, but logs were not present in free routines.

This patch add support for debug mode logs in free routine.
Also, changing the log category to DRV instead of TX.

Signed-off-by: Hemant Agrawal <hemant.agra...@nxp.com>
---
 drivers/mempool/dpaa2/dpaa2_hw_mempool.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/mempool/dpaa2/dpaa2_hw_mempool.c 
b/drivers/mempool/dpaa2/dpaa2_hw_mempool.c
index 60dd1c0..e00ed5d 100644
--- a/drivers/mempool/dpaa2/dpaa2_hw_mempool.c
+++ b/drivers/mempool/dpaa2/dpaa2_hw_mempool.c
@@ -309,8 +309,8 @@

 #ifdef RTE_LIBRTE_DPAA2_DEBUG_DRIVER
        alloc += n;
-       PMD_TX_LOG(DEBUG, "Total = %d , req = %d done = %d",
-                  alloc, count, n);
+       PMD_DRV_LOG(DEBUG, "Total = %d , req = %d done = %d",
+                   alloc, count, n);
 #endif
        return 0;
 }

Since we are in a mempool driver, we may not want to use PMD_*_LOG()
functions.

Also, I don't see where these macros are defined for this file, but maybe
I miss something that is right under my nose ;)

These are being currently being driven from the bus logs.

Anyway, I suggest to use your own macros for dpaa mempool instead,
and if possible:
  - avoid compilation options as much as possible
  - RTE_LOG() for logs that cannot occur in dataplane (they can be enabled
    dynamically)
  - RTE_LOG_DP() for dataplane logs: these are stripped at compilation
    time, unless your log level <= RTE_LOG_DP_LEVEL

your suggestion is good. I will rework the whole file and submit it later.


@@ -320,6 +320,9 @@
                  void * const *obj_table, unsigned int n)
 {
        struct dpaa2_bp_info *bp_info;
+#ifdef RTE_LIBRTE_DPAA2_DEBUG_DRIVER
+       static int freed;
+#endif

        bp_info = mempool_to_bpinfo(pool);
        if (!(bp_info->bp_list)) {
@@ -329,6 +332,11 @@
        rte_dpaa2_mbuf_release(pool, obj_table, bp_info->bpid,
                           bp_info->meta_data_size, n);

+#ifdef RTE_LIBRTE_DPAA2_DEBUG_DRIVER
+       freed += n;
+       PMD_DRV_LOG(DEBUG, "Total = %d , done = %d",
+                   freed, n);
+#endif
        return 0;
 }





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