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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>
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2 changed files with 69 additions and 1 deletions
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@ -8,6 +8,7 @@
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#include <linux/list.h>
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#include <linux/rhashtable.h>
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#include <linux/netdevice.h>
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#include <trace/events/mlxsw.h>
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#include "reg.h"
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#include "core.h"
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@ -1175,6 +1176,8 @@ mlxsw_sp_acl_tcam_vregion_migrate(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_acl_tcam_region *region2, *unused_region;
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int err;
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trace_mlxsw_sp_acl_tcam_vregion_migrate(mlxsw_sp, vregion);
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region2 = mlxsw_sp_acl_tcam_region_create(mlxsw_sp, vregion->tcam,
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vregion, hints_priv);
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if (IS_ERR(region2))
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@ -1219,6 +1222,7 @@ mlxsw_sp_acl_tcam_vregion_rehash(struct mlxsw_sp *mlxsw_sp,
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void *hints_priv;
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int err;
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trace_mlxsw_sp_acl_tcam_vregion_rehash(mlxsw_sp, vregion);
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if (vregion->failed_rollback)
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return -EBUSY;
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@ -1233,8 +1237,11 @@ mlxsw_sp_acl_tcam_vregion_rehash(struct mlxsw_sp *mlxsw_sp,
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err = mlxsw_sp_acl_tcam_vregion_migrate(mlxsw_sp, vregion, hints_priv);
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if (err) {
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dev_err(mlxsw_sp->bus_info->dev, "Failed to migrate vregion\n");
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if (vregion->failed_rollback)
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if (vregion->failed_rollback) {
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trace_mlxsw_sp_acl_tcam_vregion_rehash_dis(mlxsw_sp,
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vregion);
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dev_err(mlxsw_sp->bus_info->dev, "Failed to rollback during vregion migration fail\n");
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}
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}
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ops->region_rehash_hints_put(hints_priv);
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@ -11,6 +11,7 @@
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struct mlxsw_sp;
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struct mlxsw_sp_acl_atcam_region;
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struct mlxsw_sp_acl_tcam_vregion;
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TRACE_EVENT(mlxsw_sp_acl_atcam_entry_add_ctcam_spill,
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TP_PROTO(const struct mlxsw_sp *mlxsw_sp,
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@ -32,6 +33,66 @@ TRACE_EVENT(mlxsw_sp_acl_atcam_entry_add_ctcam_spill,
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__entry->mlxsw_sp, __entry->aregion)
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);
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TRACE_EVENT(mlxsw_sp_acl_tcam_vregion_rehash,
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TP_PROTO(const struct mlxsw_sp *mlxsw_sp,
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const struct mlxsw_sp_acl_tcam_vregion *vregion),
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TP_ARGS(mlxsw_sp, vregion),
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TP_STRUCT__entry(
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__field(const void *, mlxsw_sp)
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__field(const void *, vregion)
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),
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TP_fast_assign(
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__entry->mlxsw_sp = mlxsw_sp;
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__entry->vregion = vregion;
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),
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TP_printk("mlxsw_sp %p, vregion %p",
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__entry->mlxsw_sp, __entry->vregion)
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);
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TRACE_EVENT(mlxsw_sp_acl_tcam_vregion_migrate,
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TP_PROTO(const struct mlxsw_sp *mlxsw_sp,
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const struct mlxsw_sp_acl_tcam_vregion *vregion),
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TP_ARGS(mlxsw_sp, vregion),
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TP_STRUCT__entry(
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__field(const void *, mlxsw_sp)
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__field(const void *, vregion)
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),
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TP_fast_assign(
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__entry->mlxsw_sp = mlxsw_sp;
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__entry->vregion = vregion;
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),
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TP_printk("mlxsw_sp %p, vregion %p",
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__entry->mlxsw_sp, __entry->vregion)
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);
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TRACE_EVENT(mlxsw_sp_acl_tcam_vregion_rehash_dis,
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TP_PROTO(const struct mlxsw_sp *mlxsw_sp,
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const struct mlxsw_sp_acl_tcam_vregion *vregion),
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TP_ARGS(mlxsw_sp, vregion),
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TP_STRUCT__entry(
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__field(const void *, mlxsw_sp)
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__field(const void *, vregion)
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),
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TP_fast_assign(
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__entry->mlxsw_sp = mlxsw_sp;
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__entry->vregion = vregion;
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),
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TP_printk("mlxsw_sp %p, vregion %p",
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__entry->mlxsw_sp, __entry->vregion)
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);
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#endif /* _MLXSW_TRACEPOINT_H */
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/* This part must be outside protection */
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