[PATCH 44/60] staging: lustre: libcfs: fix error messages

From: James Simmons
Date: Sat Jan 28 2017 - 19:47:21 EST


From: Dmitry Eremin <dmitry.eremin@xxxxxxxxx>

Don't treat unability to set CPU partition affinity as error.
Improve those warning messages.

Signed-off-by: Dmitry Eremin <dmitry.eremin@xxxxxxxxx>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8703
Reviewed-on: https://review.whamcloud.com/23307
Reviewed-by: Patrick Farrell <paf@xxxxxxxx>
Reviewed-by: Doug Oucharek <doug.s.oucharek@xxxxxxxxx>
Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx>
Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx>
---
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c | 2 +-
drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c | 4 ++--
drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c | 5 +++--
drivers/staging/lustre/lnet/libcfs/workitem.c | 2 +-
drivers/staging/lustre/lnet/selftest/module.c | 3 ++-
5 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
index 14dbc53..e2f3f72 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
@@ -3546,7 +3546,7 @@ static int kiblnd_resolve_addr(struct rdma_cm_id *cmid,

rc = cfs_cpt_bind(lnet_cpt_table(), sched->ibs_cpt);
if (rc) {
- CWARN("Failed to bind on CPT %d, please verify whether all CPUs are healthy and reload modules if necessary, otherwise your system might under risk of low performance\n",
+ CWARN("Unable to bind on CPU partition %d, please verify whether all CPUs are healthy and reload modules if necessary, otherwise your system might under risk of low performance\n",
sched->ibs_cpt);
}

diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
index 3531e7d..df4f55e 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
@@ -1414,8 +1414,8 @@ int ksocknal_scheduler(void *arg)

rc = cfs_cpt_bind(lnet_cpt_table(), info->ksi_cpt);
if (rc) {
- CERROR("Can't set CPT affinity to %d: %d\n",
- info->ksi_cpt, rc);
+ CWARN("Can't set CPU partition affinity to %d: %d\n",
+ info->ksi_cpt, rc);
}

spin_lock_bh(&sched->kss_lock);
diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c
index 62ab76e..4d35a37 100644
--- a/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c
+++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c
@@ -1082,8 +1082,9 @@ static int cfs_cpu_dead(unsigned int cpu)
}
spin_unlock(&cpt_data.cpt_lock);

- LCONSOLE(0, "HW CPU cores: %d, npartitions: %d\n",
- num_online_cpus(), cfs_cpt_number(cfs_cpt_table));
+ LCONSOLE(0, "HW nodes: %d, HW CPU cores: %d, npartitions: %d\n",
+ num_online_nodes(), num_online_cpus(),
+ cfs_cpt_number(cfs_cpt_table));
return 0;

failed:
diff --git a/drivers/staging/lustre/lnet/libcfs/workitem.c b/drivers/staging/lustre/lnet/libcfs/workitem.c
index d0512da..dbc2a9b 100644
--- a/drivers/staging/lustre/lnet/libcfs/workitem.c
+++ b/drivers/staging/lustre/lnet/libcfs/workitem.c
@@ -209,7 +209,7 @@ static int cfs_wi_scheduler(void *arg)
/* CPT affinity scheduler? */
if (sched->ws_cptab)
if (cfs_cpt_bind(sched->ws_cptab, sched->ws_cpt))
- CWARN("Failed to bind %s on CPT %d\n",
+ CWARN("Unable to bind %s on CPU partition %d\n",
sched->ws_name, sched->ws_cpt);

spin_lock(&cfs_wi_data.wi_glock);
diff --git a/drivers/staging/lustre/lnet/selftest/module.c b/drivers/staging/lustre/lnet/selftest/module.c
index 71485f9..b5d556f 100644
--- a/drivers/staging/lustre/lnet/selftest/module.c
+++ b/drivers/staging/lustre/lnet/selftest/module.c
@@ -112,7 +112,8 @@ enum {
rc = cfs_wi_sched_create("lst_t", lnet_cpt_table(), i,
nthrs, &lst_sched_test[i]);
if (rc) {
- CERROR("Failed to create CPT affinity WI scheduler %d for LST\n", i);
+ CWARN("Failed to create CPU partition affinity WI scheduler %d for LST\n",
+ i);
goto error;
}
}
--
1.8.3.1