The patch series is the first step of introducing a tracing framework in
TIPC, which will assist in collecting complete & plentiful data for post
analysis, even in the case of a single failure occurrence e.g. when the
failure is unreproducible.
The tracing code in TIPC utilizes the powerful kernel tracepoints, trace
events features along with particular dump functions to trace the TIPC
object data and events (incl. bearer, link, socket, node, etc.).
The tracing code should generate zero-load to TIPC when the trace events
are not enabled.
v2: improve trace output format;
improve the socket traces, make it now convenient for user to do the
socket traces on any specific socket when needed (by using the new
sysctl file - '/proc/sys/net/tipc/sk_filter' with a socket 'tuple'
for filtering);
add a new dump option for link's wakeup queue, add trace for link
congestion situation;
improve the node and bearer traces;
Tuong Lien (5):
tipc: enable tracepoints in tipc
tipc: add trace_events for tipc link
tipc: add trace_events for tipc socket
tipc: add trace_events for tipc node
tipc: add trace_events for tipc bearer
net/tipc/Makefile | 4 +-
net/tipc/bearer.c | 9 +-
net/tipc/bearer.h | 2 +-
net/tipc/link.c | 153 ++++++++++++++++++-
net/tipc/link.h | 2 +
net/tipc/node.c | 88 ++++++++++-
net/tipc/node.h | 1 +
net/tipc/socket.c | 230 ++++++++++++++++++++++++++++-
net/tipc/socket.h | 4 +
net/tipc/sysctl.c | 8 +
net/tipc/trace.c | 206 ++++++++++++++++++++++++++
net/tipc/trace.h | 431 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
12 files changed, 1122 insertions(+), 16 deletions(-)
create mode 100644 net/tipc/trace.c
create mode 100644 net/tipc/trace.h
--
2.13.7
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