Re: [PATCH v4] bus: mhi: host: Add tracing support
From: kernel test robot
Date: Sat Nov 11 2023 - 03:04:39 EST
Hi Krishna,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 3006adf3be79cde4d14b1800b963b82b6e5572e0]
url: https://github.com/intel-lab-lkp/linux/commits/Krishna-chaitanya-chundru/bus-mhi-host-Add-tracing-support/20231111-135816
base: 3006adf3be79cde4d14b1800b963b82b6e5572e0
patch link: https://lore.kernel.org/r/20231111-ftrace_support-v4-1-c83602399461%40quicinc.com
patch subject: [PATCH v4] bus: mhi: host: Add tracing support
config: csky-randconfig-002-20231111 (https://download.01.org/0day-ci/archive/20231111/202311111502.wEcI1Okb-lkp@xxxxxxxxx/config)
compiler: csky-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231111/202311111502.wEcI1Okb-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311111502.wEcI1Okb-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
In file included from include/trace/define_trace.h:102,
from drivers/bus/mhi/host/trace.h:225,
from drivers/bus/mhi/host/init.c:24:
drivers/bus/mhi/host/./trace.h: In function 'trace_event_raw_event_mhi_process_ctrl_ev_ring':
>> drivers/bus/mhi/host/./trace.h:141:31: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
141 | __entry->rp = (u64)rp;
| ^
include/trace/trace_events.h:402:11: note: in definition of macro 'DECLARE_EVENT_CLASS'
402 | { assign; } \
| ^~~~~~
include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS'
44 | PARAMS(assign), \
| ^~~~~~
drivers/bus/mhi/host/./trace.h:123:1: note: in expansion of macro 'TRACE_EVENT'
123 | TRACE_EVENT(mhi_process_ctrl_ev_ring,
| ^~~~~~~~~~~
drivers/bus/mhi/host/./trace.h:139:9: note: in expansion of macro 'TP_fast_assign'
139 | TP_fast_assign(
| ^~~~~~~~~~~~~~
In file included from include/trace/define_trace.h:103:
drivers/bus/mhi/host/./trace.h: In function 'perf_trace_mhi_process_ctrl_ev_ring':
>> drivers/bus/mhi/host/./trace.h:141:31: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
141 | __entry->rp = (u64)rp;
| ^
include/trace/perf.h:51:11: note: in definition of macro 'DECLARE_EVENT_CLASS'
51 | { assign; } \
| ^~~~~~
include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS'
44 | PARAMS(assign), \
| ^~~~~~
drivers/bus/mhi/host/./trace.h:123:1: note: in expansion of macro 'TRACE_EVENT'
123 | TRACE_EVENT(mhi_process_ctrl_ev_ring,
| ^~~~~~~~~~~
drivers/bus/mhi/host/./trace.h:139:9: note: in expansion of macro 'TP_fast_assign'
139 | TP_fast_assign(
| ^~~~~~~~~~~~~~
vim +141 drivers/bus/mhi/host/./trace.h
124
125 TP_PROTO(const char *name, struct mhi_ring_element *rp, __le64 ptr,
126 __le32 dword0, __le32 dword1),
127
128 TP_ARGS(name, rp, ptr, dword0, dword1),
129
130 TP_STRUCT__entry(
131 __field(u64, rp)
132 __field(__le64, ptr)
133 __string(name, name)
134 __field(__le32, dword0)
135 __field(__le32, dword1)
136 __field(int, state)
137 ),
138
139 TP_fast_assign(
140 __assign_str(name, name);
> 141 __entry->rp = (u64)rp;
142 __entry->ptr = ptr;
143 __entry->dword0 = dword0;
144 __entry->dword1 = dword1;
145 __entry->state = MHI_TRE_GET_EV_STATE(rp);
146 ),
147
148 TP_printk("%s: RP:0x%llx Processing Event:0x%llx 0x%08x 0x%08x state:%s\n",
149 __get_str(name), __entry->rp, __entry->ptr, __entry->dword0,
150 __entry->dword1, mhi_state_str(__entry->state))
151 );
152
--
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https://github.com/intel/lkp-tests/wiki