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authorJiri Pirko <jiri@mellanox.com>2019-02-07 11:22:55 +0000
committerDavid S. Miller <davem@davemloft.net>2019-02-08 15:02:50 -0800
commit3985de7260a7342a474a0792fcd23737341657ce (patch)
tree46822411f3b11346da786f2ae531c139d5de0e3a
parentmlxsw: spectrum: add "acl_region_rehash_interval" devlink param (diff)
downloadlinux-dev-3985de7260a7342a474a0792fcd23737341657ce.tar.xz
linux-dev-3985de7260a7342a474a0792fcd23737341657ce.zip
mlxsw: spectrum_acl: Add couple of vregion rehash tracepoints
As vregion rehash is happening in delayed work, add some visibility to the process using a few tracepoints. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c9
-rw-r--r--include/trace/events/mlxsw.h61
2 files changed, 69 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
index f2cb37c0d300..7e225a86e3a8 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
@@ -8,6 +8,7 @@
#include <linux/list.h>
#include <linux/rhashtable.h>
#include <linux/netdevice.h>
+#include <trace/events/mlxsw.h>
#include "reg.h"
#include "core.h"
@@ -1175,6 +1176,8 @@ mlxsw_sp_acl_tcam_vregion_migrate(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_region *region2, *unused_region;
int err;
+ trace_mlxsw_sp_acl_tcam_vregion_migrate(mlxsw_sp, vregion);
+
region2 = mlxsw_sp_acl_tcam_region_create(mlxsw_sp, vregion->tcam,
vregion, hints_priv);
if (IS_ERR(region2))
@@ -1219,6 +1222,7 @@ mlxsw_sp_acl_tcam_vregion_rehash(struct mlxsw_sp *mlxsw_sp,
void *hints_priv;
int err;
+ trace_mlxsw_sp_acl_tcam_vregion_rehash(mlxsw_sp, vregion);
if (vregion->failed_rollback)
return -EBUSY;
@@ -1233,8 +1237,11 @@ mlxsw_sp_acl_tcam_vregion_rehash(struct mlxsw_sp *mlxsw_sp,
err = mlxsw_sp_acl_tcam_vregion_migrate(mlxsw_sp, vregion, hints_priv);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to migrate vregion\n");
- if (vregion->failed_rollback)
+ if (vregion->failed_rollback) {
+ trace_mlxsw_sp_acl_tcam_vregion_rehash_dis(mlxsw_sp,
+ vregion);
dev_err(mlxsw_sp->bus_info->dev, "Failed to rollback during vregion migration fail\n");
+ }
}
ops->region_rehash_hints_put(hints_priv);
diff --git a/include/trace/events/mlxsw.h b/include/trace/events/mlxsw.h
index 6c2bafcade18..a5ce6df9dc49 100644
--- a/include/trace/events/mlxsw.h
+++ b/include/trace/events/mlxsw.h
@@ -11,6 +11,7 @@
struct mlxsw_sp;
struct mlxsw_sp_acl_atcam_region;
+struct mlxsw_sp_acl_tcam_vregion;
TRACE_EVENT(mlxsw_sp_acl_atcam_entry_add_ctcam_spill,
TP_PROTO(const struct mlxsw_sp *mlxsw_sp,
@@ -32,6 +33,66 @@ TRACE_EVENT(mlxsw_sp_acl_atcam_entry_add_ctcam_spill,
__entry->mlxsw_sp, __entry->aregion)
);
+TRACE_EVENT(mlxsw_sp_acl_tcam_vregion_rehash,
+ TP_PROTO(const struct mlxsw_sp *mlxsw_sp,
+ const struct mlxsw_sp_acl_tcam_vregion *vregion),
+
+ TP_ARGS(mlxsw_sp, vregion),
+
+ TP_STRUCT__entry(
+ __field(const void *, mlxsw_sp)
+ __field(const void *, vregion)
+ ),
+
+ TP_fast_assign(
+ __entry->mlxsw_sp = mlxsw_sp;
+ __entry->vregion = vregion;
+ ),
+
+ TP_printk("mlxsw_sp %p, vregion %p",
+ __entry->mlxsw_sp, __entry->vregion)
+);
+
+TRACE_EVENT(mlxsw_sp_acl_tcam_vregion_migrate,
+ TP_PROTO(const struct mlxsw_sp *mlxsw_sp,
+ const struct mlxsw_sp_acl_tcam_vregion *vregion),
+
+ TP_ARGS(mlxsw_sp, vregion),
+
+ TP_STRUCT__entry(
+ __field(const void *, mlxsw_sp)
+ __field(const void *, vregion)
+ ),
+
+ TP_fast_assign(
+ __entry->mlxsw_sp = mlxsw_sp;
+ __entry->vregion = vregion;
+ ),
+
+ TP_printk("mlxsw_sp %p, vregion %p",
+ __entry->mlxsw_sp, __entry->vregion)
+);
+
+TRACE_EVENT(mlxsw_sp_acl_tcam_vregion_rehash_dis,
+ TP_PROTO(const struct mlxsw_sp *mlxsw_sp,
+ const struct mlxsw_sp_acl_tcam_vregion *vregion),
+
+ TP_ARGS(mlxsw_sp, vregion),
+
+ TP_STRUCT__entry(
+ __field(const void *, mlxsw_sp)
+ __field(const void *, vregion)
+ ),
+
+ TP_fast_assign(
+ __entry->mlxsw_sp = mlxsw_sp;
+ __entry->vregion = vregion;
+ ),
+
+ TP_printk("mlxsw_sp %p, vregion %p",
+ __entry->mlxsw_sp, __entry->vregion)
+);
+
#endif /* _MLXSW_TRACEPOINT_H */
/* This part must be outside protection */