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From: Sebastiano Miano <sebastiano.miano@polito.it>
To: netdev@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net
Cc: mingo@redhat.com, rostedt@goodmis.org, brouer@redhat.com,
	fulvio.risso@polito.it
Subject: [bpf-next PATCH 2/3] bpf: add id to prog tracepoint
Date: Wed, 18 Apr 2018 17:30:53 +0200	[thread overview]
Message-ID: <152406545357.3465.11912320259045335712.stgit@localhost.localdomain> (raw)
In-Reply-To: <152406544226.3465.948692097697975172.stgit@localhost.localdomain>

This patch adds the prog id to the bpf tracepoints
that can be used when monitoring or inspecting prog
related functions.

Signed-off-by: Sebastiano Miano <sebastiano.miano@polito.it>
Suggested-by: Jesper Dangaard Brouer <brouer@redhat.com>
---
 include/trace/events/bpf.h |   15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/include/trace/events/bpf.h b/include/trace/events/bpf.h
index d7c9726..4ec19c5 100644
--- a/include/trace/events/bpf.h
+++ b/include/trace/events/bpf.h
@@ -65,16 +65,19 @@ DECLARE_EVENT_CLASS(bpf_prog_event,
 	TP_STRUCT__entry(
 		__array(u8, prog_tag, 8)
 		__field(u32, type)
+		__field(u32, id)
 	),
 
 	TP_fast_assign(
 		BUILD_BUG_ON(sizeof(__entry->prog_tag) != sizeof(prg->tag));
 		memcpy(__entry->prog_tag, prg->tag, sizeof(prg->tag));
 		__entry->type = prg->type;
+		__entry->id   = prg->aux->id;
 	),
 
-	TP_printk("prog=%s type=%s",
+	TP_printk("prog=%s id=%u type=%s",
 		  __print_hex_str(__entry->prog_tag, 8),
+		  __entry->id,
 		  __print_symbolic(__entry->type, __PROG_TYPE_SYM_TAB))
 );
 
@@ -102,6 +105,7 @@ TRACE_EVENT(bpf_prog_load,
 		__array(u8, prog_tag, 8)
 		__field(u32, type)
 		__field(int, ufd)
+		__field(u32, id)
 	),
 
 	TP_fast_assign(
@@ -109,10 +113,12 @@ TRACE_EVENT(bpf_prog_load,
 		memcpy(__entry->prog_tag, prg->tag, sizeof(prg->tag));
 		__entry->type = prg->type;
 		__entry->ufd  = ufd;
+		__entry->id   = prg->aux->id;
 	),
 
-	TP_printk("prog=%s type=%s ufd=%d",
+	TP_printk("prog=%s id=%u type=%s ufd=%d",
 		  __print_hex_str(__entry->prog_tag, 8),
+		  __entry->id,
 		  __print_symbolic(__entry->type, __PROG_TYPE_SYM_TAB),
 		  __entry->ufd)
 );
@@ -161,6 +167,7 @@ DECLARE_EVENT_CLASS(bpf_obj_prog,
 		__array(u8, prog_tag, 8)
 		__field(int, ufd)
 		__string(path, pname->name)
+		__field(u32, id)
 	),
 
 	TP_fast_assign(
@@ -168,10 +175,12 @@ DECLARE_EVENT_CLASS(bpf_obj_prog,
 		memcpy(__entry->prog_tag, prg->tag, sizeof(prg->tag));
 		__assign_str(path, pname->name);
 		__entry->ufd = ufd;
+		__entry->id  = prg->aux->id;
 	),
 
-	TP_printk("prog=%s path=%s ufd=%d",
+	TP_printk("prog=%s id=%u path=%s ufd=%d",
 		  __print_hex_str(__entry->prog_tag, 8),
+		  __entry->id,
 		  __get_str(path), __entry->ufd)
 );
 

  parent reply	other threads:[~2018-04-18 15:58 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-18 15:30 [bpf-next PATCH 0/3] Add ID to bpf_map/prog tracepoints Sebastiano Miano
2018-04-18 15:30 ` [bpf-next PATCH 1/3] bpf: add id to map tracepoint Sebastiano Miano
2018-04-19  9:08   ` Jesper Dangaard Brouer
2018-04-18 15:30 ` Sebastiano Miano [this message]
2018-04-19  9:10   ` [bpf-next PATCH 2/3] bpf: add id to prog tracepoint Jesper Dangaard Brouer
2018-04-18 15:30 ` [bpf-next PATCH 3/3] bpf: add sample program to trace map events Sebastiano Miano
2018-04-19  9:20   ` Jesper Dangaard Brouer
2018-04-20  0:27   ` Alexei Starovoitov
2018-04-20  9:47     ` Jesper Dangaard Brouer
2018-04-23 14:08       ` Sebastiano Miano
2018-04-23 20:08         ` Alexei Starovoitov
2018-04-23 20:22           ` Jesper Dangaard Brouer

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