From dfddb54043f0a377f642bd0e6a28aa40769e2e65 Mon Sep 17 00:00:00 2001 From: Manivannan Sadhasivam Date: Tue, 21 Apr 2020 13:10:54 +0530 Subject: [PATCH] net: qrtr: Add tracepoint support Add tracepoint support for QRTR with NS as the first candidate. Later on this can be extended to core QRTR and transport drivers. The trace_printk() used in NS has been replaced by tracepoints. Signed-off-by: Manivannan Sadhasivam Signed-off-by: David S. Miller --- include/trace/events/qrtr.h | 115 ++++++++++++++++++++++++++++++++++++ net/qrtr/ns.c | 20 ++++--- 2 files changed, 126 insertions(+), 9 deletions(-) create mode 100644 include/trace/events/qrtr.h diff --git a/include/trace/events/qrtr.h b/include/trace/events/qrtr.h new file mode 100644 index 000000000000..b1de14c3bb93 --- /dev/null +++ b/include/trace/events/qrtr.h @@ -0,0 +1,115 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM qrtr + +#if !defined(_TRACE_QRTR_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_QRTR_H + +#include +#include + +TRACE_EVENT(qrtr_ns_service_announce_new, + + TP_PROTO(__le32 service, __le32 instance, __le32 node, __le32 port), + + TP_ARGS(service, instance, node, port), + + TP_STRUCT__entry( + __field(__le32, service) + __field(__le32, instance) + __field(__le32, node) + __field(__le32, port) + ), + + TP_fast_assign( + __entry->service = service; + __entry->instance = instance; + __entry->node = node; + __entry->port = port; + ), + + TP_printk("advertising new server [%d:%x]@[%d:%d]", + __entry->service, __entry->instance, __entry->node, + __entry->port + ) +); + +TRACE_EVENT(qrtr_ns_service_announce_del, + + TP_PROTO(__le32 service, __le32 instance, __le32 node, __le32 port), + + TP_ARGS(service, instance, node, port), + + TP_STRUCT__entry( + __field(__le32, service) + __field(__le32, instance) + __field(__le32, node) + __field(__le32, port) + ), + + TP_fast_assign( + __entry->service = service; + __entry->instance = instance; + __entry->node = node; + __entry->port = port; + ), + + TP_printk("advertising removal of server [%d:%x]@[%d:%d]", + __entry->service, __entry->instance, __entry->node, + __entry->port + ) +); + +TRACE_EVENT(qrtr_ns_server_add, + + TP_PROTO(__le32 service, __le32 instance, __le32 node, __le32 port), + + TP_ARGS(service, instance, node, port), + + TP_STRUCT__entry( + __field(__le32, service) + __field(__le32, instance) + __field(__le32, node) + __field(__le32, port) + ), + + TP_fast_assign( + __entry->service = service; + __entry->instance = instance; + __entry->node = node; + __entry->port = port; + ), + + TP_printk("add server [%d:%x]@[%d:%d]", + __entry->service, __entry->instance, __entry->node, + __entry->port + ) +); + +TRACE_EVENT(qrtr_ns_message, + + TP_PROTO(const char * const ctrl_pkt_str, __u32 sq_node, __u32 sq_port), + + TP_ARGS(ctrl_pkt_str, sq_node, sq_port), + + TP_STRUCT__entry( + __string(ctrl_pkt_str, ctrl_pkt_str) + __field(__u32, sq_node) + __field(__u32, sq_port) + ), + + TP_fast_assign( + __assign_str(ctrl_pkt_str, ctrl_pkt_str); + __entry->sq_node = sq_node; + __entry->sq_port = sq_port; + ), + + TP_printk("%s from %d:%d", + __get_str(ctrl_pkt_str), __entry->sq_node, __entry->sq_port + ) +); + +#endif /* _TRACE_QRTR_H */ + +/* This part must be outside protection */ +#include diff --git a/net/qrtr/ns.c b/net/qrtr/ns.c index e7d0fe3f4330..3ca196fc7f9b 100644 --- a/net/qrtr/ns.c +++ b/net/qrtr/ns.c @@ -12,6 +12,9 @@ #include "qrtr.h" +#define CREATE_TRACE_POINTS +#include + static RADIX_TREE(nodes, GFP_KERNEL); static struct { @@ -105,8 +108,8 @@ static int service_announce_new(struct sockaddr_qrtr *dest, struct msghdr msg = { }; struct kvec iv; - trace_printk("advertising new server [%d:%x]@[%d:%d]\n", - srv->service, srv->instance, srv->node, srv->port); + trace_qrtr_ns_service_announce_new(srv->service, srv->instance, + srv->node, srv->port); iv.iov_base = &pkt; iv.iov_len = sizeof(pkt); @@ -132,8 +135,8 @@ static int service_announce_del(struct sockaddr_qrtr *dest, struct kvec iv; int ret; - trace_printk("advertising removal of server [%d:%x]@[%d:%d]\n", - srv->service, srv->instance, srv->node, srv->port); + trace_qrtr_ns_service_announce_del(srv->service, srv->instance, + srv->node, srv->port); iv.iov_base = &pkt; iv.iov_len = sizeof(pkt); @@ -244,8 +247,8 @@ static struct qrtr_server *server_add(unsigned int service, radix_tree_insert(&node->servers, port, srv); - trace_printk("add server [%d:%x]@[%d:%d]\n", srv->service, - srv->instance, srv->node, srv->port); + trace_qrtr_ns_server_add(srv->service, srv->instance, + srv->node, srv->port); return srv; @@ -633,9 +636,8 @@ static void qrtr_ns_worker(struct work_struct *work) cmd = le32_to_cpu(pkt->cmd); if (cmd < ARRAY_SIZE(qrtr_ctrl_pkt_strings) && qrtr_ctrl_pkt_strings[cmd]) - trace_printk("%s from %d:%d\n", - qrtr_ctrl_pkt_strings[cmd], sq.sq_node, - sq.sq_port); + trace_qrtr_ns_message(qrtr_ctrl_pkt_strings[cmd], + sq.sq_node, sq.sq_port); ret = 0; switch (cmd) { -- 2.25.1