]>
git.ipfire.org Git - people/ms/u-boot.git/blob - cmd/trace.c
2 * Copyright (c) 2011 The Chromium OS Authors.
4 * SPDX-License-Identifier: GPL-2.0+
13 static int get_args(int argc
, char * const argv
[], char **buff
,
14 size_t *buff_ptr
, size_t *buff_size
)
19 *buff_size
= env_get_ulong("profsize", 16, 0);
20 *buff
= map_sysmem(env_get_ulong("profbase", 16, 0),
22 *buff_ptr
= env_get_ulong("profoffset", 16, 0);
24 *buff_size
= simple_strtoul(argv
[3], NULL
, 16);
25 *buff
= map_sysmem(simple_strtoul(argv
[2], NULL
, 16),
32 static int create_func_list(int argc
, char * const argv
[])
34 size_t buff_size
, avail
, buff_ptr
, used
;
39 if (get_args(argc
, argv
, &buff
, &buff_ptr
, &buff_size
))
42 avail
= buff_size
- buff_ptr
;
43 err
= trace_list_functions(buff
+ buff_ptr
, avail
, &needed
);
45 printf("Error: truncated (%#x bytes needed)\n", needed
);
46 used
= min(avail
, (size_t)needed
);
47 printf("Function trace dumped to %08lx, size %#zx\n",
48 (ulong
)map_to_sysmem(buff
+ buff_ptr
), used
);
49 env_set_hex("profbase", map_to_sysmem(buff
));
50 env_set_hex("profsize", buff_size
);
51 env_set_hex("profoffset", buff_ptr
+ used
);
56 static int create_call_list(int argc
, char * const argv
[])
58 size_t buff_size
, avail
, buff_ptr
, used
;
63 if (get_args(argc
, argv
, &buff
, &buff_ptr
, &buff_size
))
66 avail
= buff_size
- buff_ptr
;
67 err
= trace_list_calls(buff
+ buff_ptr
, avail
, &needed
);
69 printf("Error: truncated (%#x bytes needed)\n", needed
);
70 used
= min(avail
, (size_t)needed
);
71 printf("Call list dumped to %08lx, size %#zx\n",
72 (ulong
)map_to_sysmem(buff
+ buff_ptr
), used
);
74 env_set_hex("profbase", map_to_sysmem(buff
));
75 env_set_hex("profsize", buff_size
);
76 env_set_hex("profoffset", buff_ptr
+ used
);
81 int do_trace(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
83 const char *cmd
= argc
< 2 ? NULL
: argv
[1];
86 return cmd_usage(cmdtp
);
92 if (create_call_list(argc
, argv
))
93 return cmd_usage(cmdtp
);
99 if (create_func_list(argc
, argv
))
100 return cmd_usage(cmdtp
);
106 return CMD_RET_USAGE
;
113 trace
, 4, 1, do_trace
,
114 "trace utility commands",
115 "stats - display tracing statistics\n"
116 "trace pause - pause tracing\n"
117 "trace resume - resume tracing\n"
118 "trace funclist [<addr> <size>] - dump function list into buffer\n"
119 "trace calls [<addr> <size>] "
120 "- dump function call trace into buffer"