static LIST_HEAD(ddebug_tables);
static int verbose;
module_param(verbose, int, 0644);
+MODULE_PARM_DESC(verbose, " dynamic_debug/control processing "
+ "( 0 = off (default), 1 = module add/rm, 2 = >control summary, 3 = parsing, 4 = per-site changes)");
/* Return the path relative to source root */
static inline const char *trim_prefix(const char *path)
#define vpr_info(fmt, ...) vnpr_info(1, fmt, ##__VA_ARGS__)
#define v2pr_info(fmt, ...) vnpr_info(2, fmt, ##__VA_ARGS__)
+#define v3pr_info(fmt, ...) vnpr_info(3, fmt, ##__VA_ARGS__)
+#define v4pr_info(fmt, ...) vnpr_info(4, fmt, ##__VA_ARGS__)
static void vpr_info_dq(const struct ddebug_query *query, const char *msg)
{
fmtlen--;
}
- vpr_info("%s: func=\"%s\" file=\"%s\" module=\"%s\" format=\"%.*s\" lineno=%u-%u\n",
+ v3pr_info("%s: func=\"%s\" file=\"%s\" module=\"%s\" format=\"%.*s\" lineno=%u-%u\n",
msg,
query->function ?: "",
query->filename ?: "",
static_branch_enable(&dp->key.dd_key_true);
#endif
dp->flags = newflags;
- v2pr_info("changed %s:%d [%s]%s =%s\n",
+ v4pr_info("changed %s:%d [%s]%s =%s\n",
trim_prefix(dp->filename), dp->lineno,
dt->mod_name, dp->function,
ddebug_describe_flags(dp->flags, &fbuf));
buf = end;
}
- if (verbose) {
+ if (verbose >= 3) {
int i;
pr_info("split into words:");
for (i = 0; i < nwords; i++)
} else {
query->last_lineno = query->first_lineno;
}
- vpr_info("parsed line %d-%d\n", query->first_lineno,
+ v3pr_info("parsed line %d-%d\n", query->first_lineno,
query->last_lineno);
return 0;
}
pr_err("bad flag-op %c, at start of %s\n", *str, str);
return -EINVAL;
}
- vpr_info("op='%c'\n", op);
+ v3pr_info("op='%c'\n", op);
for (; *str ; ++str) {
for (i = ARRAY_SIZE(opt_array) - 1; i >= 0; i--) {
return -EINVAL;
}
}
- vpr_info("flags=0x%x\n", modifiers->flags);
+ v3pr_info("flags=0x%x\n", modifiers->flags);
/* calculate final flags, mask based upon op */
switch (op) {
modifiers->flags = 0;
break;
}
- vpr_info("*flagsp=0x%x *maskp=0x%x\n", modifiers->flags, modifiers->mask);
+ v3pr_info("*flagsp=0x%x *maskp=0x%x\n", modifiers->flags, modifiers->mask);
return 0;
}
}
i++;
}
-
if (i)
- vpr_info("processed %d queries, with %d matches, %d errs\n",
+ v2pr_info("processed %d queries, with %d matches, %d errs\n",
i, nfound, errs);
if (exitcode)
tmpbuf = memdup_user_nul(ubuf, len);
if (IS_ERR(tmpbuf))
return PTR_ERR(tmpbuf);
- vpr_info("read %d bytes from userspace\n", (int)len);
+ v2pr_info("read %zu bytes from userspace\n", len);
ret = ddebug_exec_queries(tmpbuf, NULL);
kfree(tmpbuf);
list_add(&dt->link, &ddebug_tables);
mutex_unlock(&ddebug_lock);
- v2pr_info("%3u debug prints in module %s\n", n, dt->mod_name);
+ vpr_info("%3u debug prints in module %s\n", n, dt->mod_name);
return 0;
}