Hi Masami, I love your patch! Perhaps something to improve: [auto build test WARNING on net/master] [also build test WARNING on v4.15-rc4 next-20171219] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Masami-Hiramatsu/net-tcp-sctp-dccp-Replace-jprobe-usage-with-trace-events/20171220-081035 config: i386-randconfig-x011-201751 (attached as .config) compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): In file included from include/trace/define_trace.h:96:0, from include/trace/events/sctp.h:96, from net//sctp/sm_statefuns.c:63: include/trace/events/sctp.h: In function 'trace_event_raw_event_sctp_probe_path': >> include/trace/events/sctp.h:31:19: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] __entry->asoc = (__u64)asoc; ^ include/trace/trace_events.h:719:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ >> include/trace/events/sctp.h:11:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(sctp_probe_path, ^~~~~~~~~~~ >> include/trace/events/sctp.h:30:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ include/trace/events/sctp.h: In function 'trace_event_raw_event_sctp_probe': include/trace/events/sctp.h:72:19: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] __entry->asoc = (__u64)asoc; ^ include/trace/trace_events.h:719:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ include/trace/events/sctp.h:50:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(sctp_probe, ^~~~~~~~~~~ include/trace/events/sctp.h:68:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ In file included from include/trace/define_trace.h:97:0, from include/trace/events/sctp.h:96, from net//sctp/sm_statefuns.c:63: include/trace/events/sctp.h: In function 'perf_trace_sctp_probe_path': >> include/trace/events/sctp.h:31:19: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] __entry->asoc = (__u64)asoc; ^ include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ >> include/trace/events/sctp.h:11:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(sctp_probe_path, ^~~~~~~~~~~ >> include/trace/events/sctp.h:30:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ include/trace/events/sctp.h: In function 'perf_trace_sctp_probe': include/trace/events/sctp.h:72:19: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] __entry->asoc = (__u64)asoc; ^ include/trace/perf.h:66:4: note: in definition of macro 'DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ include/trace/trace_events.h:78:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ include/trace/events/sctp.h:50:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(sctp_probe, ^~~~~~~~~~~ include/trace/events/sctp.h:68:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ vim +31 include/trace/events/sctp.h 10 > 11 TRACE_EVENT(sctp_probe_path, 12 13 TP_PROTO(struct sctp_transport *sp, 14 const struct sctp_association *asoc), 15 16 TP_ARGS(sp, asoc), 17 18 TP_STRUCT__entry( 19 __field(__u64, asoc) 20 __field(__u32, primary) 21 __array(__u8, ipaddr, sizeof(union sctp_addr)) 22 __field(__u32, state) 23 __field(__u32, cwnd) 24 __field(__u32, ssthresh) 25 __field(__u32, flight_size) 26 __field(__u32, partial_bytes_acked) 27 __field(__u32, pathmtu) 28 ), 29 > 30 TP_fast_assign( > 31 __entry->asoc = (__u64)asoc; 32 __entry->primary = (sp == asoc->peer.primary_path); 33 memcpy(__entry->ipaddr, &sp->ipaddr, sizeof(union sctp_addr)); 34 __entry->state = sp->state; 35 __entry->cwnd = sp->cwnd; 36 __entry->ssthresh = sp->ssthresh; 37 __entry->flight_size = sp->flight_size; 38 __entry->partial_bytes_acked = sp->partial_bytes_acked; 39 __entry->pathmtu = sp->pathmtu; 40 ), 41 42 TP_printk("asoc=%#llx%s ipaddr=%pISpc state=%u cwnd=%u ssthresh=%u " 43 "flight_size=%u partial_bytes_acked=%u pathmtu=%u", 44 __entry->asoc, __entry->primary ? "(*)" : "", 45 __entry->ipaddr, __entry->state, __entry->cwnd, 46 __entry->ssthresh, __entry->flight_size, 47 __entry->partial_bytes_acked, __entry->pathmtu) 48 ); 49 50 TRACE_EVENT(sctp_probe, 51 52 TP_PROTO(const struct sctp_endpoint *ep, 53 const struct sctp_association *asoc, 54 struct sctp_chunk *chunk), 55 56 TP_ARGS(ep, asoc, chunk), 57 58 TP_STRUCT__entry( 59 __field(__u64, asoc) 60 __field(__u32, mark) 61 __field(__u16, bind_port) 62 __field(__u16, peer_port) 63 __field(__u32, pathmtu) 64 __field(__u32, rwnd) 65 __field(__u16, unack_data) 66 ), 67 68 TP_fast_assign( 69 struct sctp_transport *sp; 70 struct sk_buff *skb = chunk->skb; 71 72 __entry->asoc = (__u64)asoc; 73 __entry->mark = skb->mark; 74 __entry->bind_port = ep->base.bind_addr.port; 75 __entry->peer_port = asoc->peer.port; 76 __entry->pathmtu = asoc->pathmtu; 77 __entry->rwnd = asoc->peer.rwnd; 78 __entry->unack_data = asoc->unack_data; 79 80 list_for_each_entry(sp, &asoc->peer.transport_addr_list, 81 transports) { 82 trace_sctp_probe_path(sp, asoc); 83 } 84 ), 85 86 TP_printk("asoc=%#llx mark=%#x bind_port=%d peer_port=%d pathmtu=%d " 87 "rwnd=%u unack_data=%d", 88 __entry->asoc, __entry->mark, __entry->bind_port, 89 __entry->peer_port, __entry->pathmtu, __entry->rwnd, 90 __entry->unack_data) 91 ); 92 93 #endif /* _TRACE_SCTP_H */ 94 95 /* This part must be outside protection */ > 96 #include <trace/define_trace.h> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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