#include <ctype.h>
#include <stdio.h>
+#include <string.h>
#include "../command.h"
#include "../loglevel.h"
OPT_NAME,
OPT_FILTER,
- OPT_EXCLUDE_NAMES,
+ OPT_EXCLUDE_NAME,
OPT_EVENT_NAME,
OPT_LOG_LEVEL,
- OPT_DOMAIN,
OPT_TYPE,
OPT_LOCATION,
static const struct argpar_opt_descr event_rule_opt_descrs[] = {
{ OPT_FILTER, 'f', "filter", true },
{ OPT_NAME, 'n', "name", true },
- { OPT_EXCLUDE_NAMES, 'x', "exclude-names", true },
+ { OPT_EXCLUDE_NAME, 'x', "exclude-name", true },
{ OPT_LOG_LEVEL, 'l', "log-level", true },
{ OPT_EVENT_NAME, 'E', "event-name", true },
- { OPT_DOMAIN, 'd', "domain", true },
{ OPT_TYPE, 't', "type", true },
{ OPT_LOCATION, 'L', "location", true },
};
static
-bool assign_domain_type(enum lttng_domain_type *dest, const char *arg)
+bool has_syscall_prefix(const char *arg)
{
- bool ret;
-
- if (*dest != LTTNG_DOMAIN_NONE) {
- ERR("More than one `--domain` was specified.");
- goto error;
- }
-
- if (strcmp(arg, "kernel") == 0) {
- *dest = LTTNG_DOMAIN_KERNEL;
- } else if (strcmp(arg, "user") == 0 || strcmp(arg, "userspace") == 0) {
- *dest = LTTNG_DOMAIN_UST;
- } else if (strcmp(arg, "jul") == 0) {
- *dest = LTTNG_DOMAIN_JUL;
- } else if (strcmp(arg, "log4j") == 0) {
- *dest = LTTNG_DOMAIN_LOG4J;
- } else if (strcmp(arg, "python") == 0) {
- *dest = LTTNG_DOMAIN_PYTHON;
+ bool matches = false;
+ const char kernel_syscall_type_opt_prefix[] = "kernel:syscall";
+ const size_t kernel_syscall_type_opt_prefix_len =
+ sizeof(kernel_syscall_type_opt_prefix) - 1;
+ const char syscall_type_opt_prefix[] = "syscall";
+ const size_t syscall_type_opt_prefix_len =
+ sizeof(syscall_type_opt_prefix) - 1;
+
+ if (strncmp(arg, syscall_type_opt_prefix,
+ syscall_type_opt_prefix_len) == 0) {
+ matches = true;
+ } else if (strncmp(arg, kernel_syscall_type_opt_prefix,
+ kernel_syscall_type_opt_prefix_len) == 0) {
+ matches = true;
} else {
- ERR("Invalid `--domain` value: %s", arg);
- goto error;
+ matches = false;
}
- ret = true;
- goto end;
-
-error:
- ret = false;
-
-end:
- return ret;
+ return matches;
}
static
goto error;
}
- if (strcmp(arg, "tracepoint") == 0 || strcmp(arg, "logging") == 0) {
- *dest = LTTNG_EVENT_RULE_TYPE_TRACEPOINT;
- } else if (strcmp (arg, "kprobe") == 0 || strcmp(arg, "kernel-probe") == 0) {
- *dest = LTTNG_EVENT_RULE_TYPE_KERNEL_PROBE;
- } else if (strcmp (arg, "uprobe") == 0 || strcmp(arg, "userspace-probe") == 0) {
- *dest = LTTNG_EVENT_RULE_TYPE_USERSPACE_PROBE;
- } else if (strcmp (arg, "function") == 0) {
+ if (strcmp(arg, "user") == 0 || strcmp(arg, "user:tracepoint") == 0) {
+ *dest = LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT;
+ } else if (strcmp(arg, "kernel") == 0 ||
+ strcmp(arg, "kernel:tracepoint") == 0) {
+ *dest = LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT;
+ } else if (strcmp(arg, "jul") == 0 || strcmp(arg, "jul:logging") == 0) {
+ *dest = LTTNG_EVENT_RULE_TYPE_JUL_LOGGING;
+ } else if (strcmp(arg, "log4j") == 0 ||
+ strcmp(arg, "log4j:logging") == 0) {
+ *dest = LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING;
+ } else if (strcmp(arg, "python") == 0 ||
+ strcmp(arg, "python:logging") == 0) {
+ *dest = LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING;
+ } else if (strcmp(arg, "kprobe") == 0 ||
+ strcmp(arg, "kernel:kprobe") == 0) {
+ *dest = LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE;
+ } else if (strcmp(arg, "kernel:uprobe") == 0) {
+ *dest = LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE;
+ } else if (strcmp(arg, "function") == 0) {
*dest = LTTNG_EVENT_RULE_TYPE_KERNEL_FUNCTION;
- } else if (strcmp (arg, "syscall") == 0) {
- *dest = LTTNG_EVENT_RULE_TYPE_SYSCALL;
+ } else if (has_syscall_prefix(arg)) {
+ /*
+ * Matches the following:
+ * - syscall
+ * - syscall:entry
+ * - syscall:exit
+ * - syscall:entry+exit
+ * - syscall:*
+ * - kernel:syscall
+ * - kernel:syscall:entry
+ * - kernel:syscall:exit
+ * - kernel:syscall:entry+exit
+ * - kernel:syscall:*
+ *
+ * Validation for the right side is left to further usage sites.
+ */
+ *dest = LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL;
} else {
ERR("Invalid `--type` value: %s", arg);
goto error;
return ret;
}
-/* This is defined in enable_events.c. */
-LTTNG_HIDDEN
-int create_exclusion_list_and_validate(const char *event_name,
- const char *exclusions_arg,
- char ***exclusion_list);
+static bool parse_syscall_emission_site_from_type(const char *str,
+ enum lttng_event_rule_kernel_syscall_emission_site *type)
+{
+ bool ret = false;
+ const char kernel_prefix[] = "kernel:";
+ const size_t kernel_prefix_len = sizeof(kernel_prefix) - 1;
+
+ /*
+ * If the passed string is of the form "kernel:syscall*", move the
+ * pointer passed "kernel:".
+ */
+ if (strncmp(str, kernel_prefix, kernel_prefix_len) == 0) {
+ str = &str[kernel_prefix_len];
+ }
+
+ if (strcmp(str, "syscall") == 0 ||
+ strcmp(str, "syscall:entry+exit") == 0) {
+ *type = LTTNG_EVENT_RULE_KERNEL_SYSCALL_EMISSION_SITE_ENTRY_EXIT;
+ } else if (strcmp(str, "syscall:entry") == 0) {
+ *type = LTTNG_EVENT_RULE_KERNEL_SYSCALL_EMISSION_SITE_ENTRY;
+ } else if (strcmp(str, "syscall:exit") == 0) {
+ *type = LTTNG_EVENT_RULE_KERNEL_SYSCALL_EMISSION_SITE_EXIT;
+ } else {
+ goto error;
+ }
+
+ ret = true;
+
+error:
+ return ret;
+}
/*
- * Parse `str` as a log level in domain `domain_type`.
+ * Parse `str` as a log level against the passed event rule type.
*
* Return the log level in `*log_level`. Return true in `*log_level_only` if
* the string specifies exactly this log level, false if it specifies at least
* Return true if the string was successfully parsed as a log level string.
*/
static bool parse_log_level_string(const char *str,
- enum lttng_domain_type domain_type,
+ enum lttng_event_rule_type event_rule_type,
int *log_level,
bool *log_level_only)
{
bool ret;
- switch (domain_type) {
- case LTTNG_DOMAIN_UST:
+ switch (event_rule_type) {
+ case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
{
enum lttng_loglevel log_level_min, log_level_max;
if (!loglevel_parse_range_string(
*log_level_only = log_level_min == log_level_max;
break;
}
- case LTTNG_DOMAIN_LOG4J:
+ case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
{
enum lttng_loglevel_log4j log_level_min, log_level_max;
if (!loglevel_log4j_parse_range_string(
*log_level_only = log_level_min == log_level_max;
break;
}
- case LTTNG_DOMAIN_JUL:
+ case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
{
enum lttng_loglevel_jul log_level_min, log_level_max;
if (!loglevel_jul_parse_range_string(
*log_level_only = log_level_min == log_level_max;
break;
}
- case LTTNG_DOMAIN_PYTHON:
+ case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING:
{
enum lttng_loglevel_python log_level_min, log_level_max;
if (!loglevel_python_parse_range_string(
static
struct parse_event_rule_res parse_event_rule(int *argc, const char ***argv)
{
- enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE;
enum lttng_event_rule_type event_rule_type =
LTTNG_EVENT_RULE_TYPE_UNKNOWN;
struct argpar_state *state;
struct filter_parser_ctx *parser_ctx = NULL;
struct lttng_log_level_rule *log_level_rule = NULL;
+ /* Event rule type option */
+ char *event_rule_type_str = NULL;
+
/* Tracepoint and syscall options. */
char *name = NULL;
- char *exclude_names = NULL;
- char **exclusion_list = NULL;
+ /* Array of strings. */
+ struct lttng_dynamic_pointer_array exclude_names;
/* For userspace / kernel probe and function. */
char *location = NULL;
lttng_dynamic_pointer_array_init(&res.capture_descriptors,
destroy_event_expr);
+
+ lttng_dynamic_pointer_array_init(&exclude_names, free);
+
state = argpar_state_create(*argc, *argv, event_rule_opt_descrs);
if (!state) {
ERR("Failed to allocate an argpar state.");
(const struct argpar_item_opt *) item;
switch (item_opt->descr->id) {
- /* Domains. */
- case OPT_DOMAIN:
- if (!assign_domain_type(&domain_type,
+ case OPT_TYPE:
+ if (!assign_event_rule_type(&event_rule_type,
item_opt->arg)) {
goto error;
}
- break;
- case OPT_TYPE:
- if (!assign_event_rule_type(&event_rule_type,
- item_opt->arg)) {
+ /* Save the string for later use. */
+ if (!assign_string(&event_rule_type_str,
+ item_opt->arg,
+ "--type/-t")) {
goto error;
}
}
break;
- case OPT_EXCLUDE_NAMES:
- if (!assign_string(&exclude_names,
- item_opt->arg,
- "--exclude-names/-x")) {
+ case OPT_EXCLUDE_NAME:
+ {
+ int ret;
+
+ ret = lttng_dynamic_pointer_array_add_pointer(
+ &exclude_names,
+ strdup(item_opt->arg));
+ if (ret != 0) {
+ ERR("Failed to add pointer to dynamic pointer array.");
goto error;
}
break;
+ }
case OPT_LOG_LEVEL:
if (!assign_string(&log_level_str,
item_opt->arg, "--log-level/-l")) {
}
if (event_rule_type == LTTNG_EVENT_RULE_TYPE_UNKNOWN) {
- event_rule_type = LTTNG_EVENT_RULE_TYPE_TRACEPOINT;
+ event_rule_type = LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT;
}
/*
- * Option --name is applicable to event rules of type tracepoint
- * and syscall. For tracepoint and syscall rules, if --name is
- * omitted, it is implicitly "*".
+ * Option --name is applicable to event rules of type kernel, user, jul,
+ * log4j,python and syscall. If --name is omitted, it is implicitly
+ * "*".
*/
switch (event_rule_type) {
- case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
- case LTTNG_EVENT_RULE_TYPE_SYSCALL:
+ case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
+ case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
+ case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
+ case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
+ case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING:
+ case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
if (!name) {
name = strdup("*");
}
goto error;
}
- if (exclude_names) {
- ERR("Can't use --exclude-names/-x with %s event rules.",
+ if (lttng_dynamic_pointer_array_get_count(&exclude_names) > 0) {
+ ERR("Can't use --exclude-name/-x with %s event rules.",
lttng_event_rule_type_str(
event_rule_type));
goto error;
* If omitted, it defaults to the location.
*/
switch (event_rule_type) {
- case LTTNG_EVENT_RULE_TYPE_KERNEL_PROBE:
- case LTTNG_EVENT_RULE_TYPE_USERSPACE_PROBE:
+ case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
+ case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
case LTTNG_EVENT_RULE_TYPE_KERNEL_FUNCTION:
if (!location) {
ERR("Event rule of type %s requires a --location.",
*argc -= consumed_args;
*argv += consumed_args;
- /* Need to specify a domain. */
- if (domain_type == LTTNG_DOMAIN_NONE) {
- ERR("Please specify a domain (--domain=(kernel,user,jul,log4j,python)).");
- goto error;
- }
-
- /* Validate event rule type against domain. */
- switch (event_rule_type) {
- case LTTNG_EVENT_RULE_TYPE_KERNEL_PROBE:
- case LTTNG_EVENT_RULE_TYPE_KERNEL_FUNCTION:
- case LTTNG_EVENT_RULE_TYPE_USERSPACE_PROBE:
- case LTTNG_EVENT_RULE_TYPE_SYSCALL:
- if (domain_type != LTTNG_DOMAIN_KERNEL) {
- ERR("Event type not available for user-space tracing.");
- goto error;
- }
- break;
-
- case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
- break;
-
- default:
- abort();
- }
-
/*
* Adding a filter to a probe, function or userspace-probe would be
* denied by the kernel tracer as it's not supported at the moment. We
* do an early check here to warn the user.
*/
- if (filter && domain_type == LTTNG_DOMAIN_KERNEL) {
+ if (filter) {
switch (event_rule_type) {
- case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
- case LTTNG_EVENT_RULE_TYPE_SYSCALL:
+ case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
+ case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
+ case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
+ case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
+ case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING:
+ case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
break;
default:
ERR("Filter expressions are not supported for %s event rules.",
}
}
- /* If --exclude/-x was passed, split it into an exclusion list. */
- if (exclude_names) {
- if (domain_type != LTTNG_DOMAIN_UST) {
+ /*
+ * If --exclude-name/-x was passed, split it into an exclusion list.
+ * Exclusions are only supported by
+ * LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT for now.
+ */
+ if (lttng_dynamic_pointer_array_get_count(&exclude_names) > 0) {
+ if (event_rule_type != LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT) {
ERR("Event name exclusions are not yet implemented for %s event rules.",
- get_domain_str(domain_type));
+ lttng_event_rule_type_str(event_rule_type));
goto error;
}
- if (create_exclusion_list_and_validate(name,
- exclude_names, &exclusion_list) != 0) {
- ERR("Failed to create exclusion list.");
+ if (validate_exclusion_list(name, &exclude_names) != 0) {
+ /*
+ * Assume validate_exclusion_list already prints an
+ * error message.
+ */
goto error;
}
}
if (log_level_str) {
- if (event_rule_type != LTTNG_EVENT_RULE_TYPE_TRACEPOINT) {
- ERR("Log levels are only applicable to tracepoint event rules.");
- goto error;
- }
+ switch (event_rule_type) {
+ case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
+ case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
+ case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
+ case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING:
+ {
+ int log_level;
+ bool log_level_only;
+
+ if (strcmp(log_level_str, "..") == 0) {
+ /*
+ * ".." is the same as passing no log level
+ * option and correspond to the "ANY" case.
+ */
+ break;
+ }
+
+ if (!parse_log_level_string(log_level_str, event_rule_type,
+ &log_level, &log_level_only)) {
+ ERR("Failed to parse log level string `%s`.",
+ log_level_str);
+ goto error;
+ }
+
+ if (log_level_only) {
+ log_level_rule = lttng_log_level_rule_exactly_create(log_level);
+ } else {
+ log_level_rule = lttng_log_level_rule_at_least_as_severe_as_create(log_level);
+ }
- if (domain_type == LTTNG_DOMAIN_KERNEL) {
- ERR("Log levels are not supported by the kernel tracer.");
+ if (log_level_rule == NULL) {
+ ERR("Failed to create log level rule object.");
+ goto error;
+ }
+ break;
+ }
+ default:
+ ERR("Log levels are not supported for %s event rules.",
+ lttng_event_rule_type_str(event_rule_type));
goto error;
}
}
/* Finally, create the event rule object. */
switch (event_rule_type) {
- case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
+ case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
{
enum lttng_event_rule_status event_rule_status;
- res.er = lttng_event_rule_tracepoint_create(domain_type);
+ res.er = lttng_event_rule_user_tracepoint_create();
if (!res.er) {
- ERR("Failed to create tracepoint event rule.");
+ ERR("Failed to create user_tracepoint event rule.");
goto error;
}
/* Set pattern. */
- event_rule_status = lttng_event_rule_tracepoint_set_pattern(
+ event_rule_status = lttng_event_rule_user_tracepoint_set_name_pattern(
res.er, name);
if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
- ERR("Failed to set tracepoint event rule's pattern to '%s'.",
+ ERR("Failed to set user_tracepoint event rule's pattern to '%s'.",
name);
goto error;
}
/* Set filter. */
if (filter) {
- event_rule_status = lttng_event_rule_tracepoint_set_filter(
+ event_rule_status = lttng_event_rule_user_tracepoint_set_filter(
res.er, filter);
if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
- ERR("Failed to set tracepoint event rule's filter to '%s'.",
+ ERR("Failed to set user_tracepoint event rule's filter to '%s'.",
filter);
goto error;
}
}
/* Set exclusion list. */
- if (exclusion_list) {
+ if (lttng_dynamic_pointer_array_get_count(&exclude_names) > 0) {
int n;
-
- for (n = 0; exclusion_list[n]; n++) {
- event_rule_status = lttng_event_rule_tracepoint_add_exclusion(
- res.er,
- exclusion_list[n]);
+ int count = lttng_dynamic_pointer_array_get_count(
+ &exclude_names);
+
+ for (n = 0; n < count; n++) {
+ const char *exclude_name =
+ lttng_dynamic_pointer_array_get_pointer(
+ &exclude_names,
+ n);
+
+ event_rule_status =
+ lttng_event_rule_user_tracepoint_add_name_pattern_exclusion(
+ res.er,
+ exclude_name);
if (event_rule_status !=
LTTNG_EVENT_RULE_STATUS_OK) {
- ERR("Failed to set tracepoint exclusion list element '%s'",
- exclusion_list[n]);
+ ERR("Failed to set user_tracepoint exclusion list element '%s'",
+ exclude_name);
goto error;
}
}
}
- /*
- * ".." is the same as passing no log level option and
- * correspond the the "ANY" case.
- */
- if (log_level_str && strcmp(log_level_str, "..") != 0) {
- int log_level;
- bool log_level_only;
+ if (log_level_rule) {
+ event_rule_status =
+ lttng_event_rule_user_tracepoint_set_log_level_rule(
+ res.er, log_level_rule);
- if (!parse_log_level_string(log_level_str, domain_type,
- &log_level, &log_level_only)) {
- ERR("Failed to parse log level string `%s`.",
- log_level_str);
+ if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
+ ERR("Failed to set log level on event fule.");
goto error;
}
+ }
- if (log_level_only) {
- log_level_rule = lttng_log_level_rule_exactly_create(log_level);
- } else {
- log_level_rule = lttng_log_level_rule_at_least_as_severe_as_create(log_level);
+ break;
+ }
+ case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
+ {
+ enum lttng_event_rule_status event_rule_status;
+
+ res.er = lttng_event_rule_kernel_tracepoint_create();
+ if (!res.er) {
+ ERR("Failed to create kernel_tracepoint event rule.");
+ goto error;
+ }
+
+ /* Set pattern. */
+ event_rule_status = lttng_event_rule_kernel_tracepoint_set_name_pattern(
+ res.er, name);
+ if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
+ ERR("Failed to set kernel_tracepoint event rule's pattern to '%s'.",
+ name);
+ goto error;
+ }
+
+ /* Set filter. */
+ if (filter) {
+ event_rule_status = lttng_event_rule_kernel_tracepoint_set_filter(
+ res.er, filter);
+ if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
+ ERR("Failed to set kernel_tracepoint event rule's filter to '%s'.",
+ filter);
+ goto error;
}
+ }
+ break;
+ }
+ case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
+ {
+ enum lttng_event_rule_status event_rule_status;
- if (log_level_rule == NULL) {
- ERR("Failed to create log level rule object.");
+ res.er = lttng_event_rule_jul_logging_create();
+ if (!res.er) {
+ ERR("Failed to create jul_logging event rule.");
+ goto error;
+ }
+
+ /* Set pattern. */
+ event_rule_status = lttng_event_rule_jul_logging_set_name_pattern(
+ res.er, name);
+ if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
+ ERR("Failed to set jul_logging event rule's pattern to '%s'.",
+ name);
+ goto error;
+ }
+
+ /* Set filter. */
+ if (filter) {
+ event_rule_status = lttng_event_rule_jul_logging_set_filter(
+ res.er, filter);
+ if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
+ ERR("Failed to set jul_logging event rule's filter to '%s'.",
+ filter);
goto error;
}
+ }
+ if (log_level_rule) {
event_rule_status =
- lttng_event_rule_tracepoint_set_log_level_rule(
+ lttng_event_rule_jul_logging_set_log_level_rule(
res.er, log_level_rule);
if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
goto error;
}
}
+ break;
+ }
+ case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
+ {
+ enum lttng_event_rule_status event_rule_status;
+
+ res.er = lttng_event_rule_log4j_logging_create();
+ if (!res.er) {
+ ERR("Failed to create jul_logging event rule.");
+ goto error;
+ }
+ /* Set pattern. */
+ event_rule_status = lttng_event_rule_log4j_logging_set_name_pattern(
+ res.er, name);
+ if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
+ ERR("Failed to set jul_logging event rule's pattern to '%s'.",
+ name);
+ goto error;
+ }
+
+ /* Set filter. */
+ if (filter) {
+ event_rule_status = lttng_event_rule_log4j_logging_set_filter(
+ res.er, filter);
+ if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
+ ERR("Failed to set jul_logging event rule's filter to '%s'.",
+ filter);
+ goto error;
+ }
+ }
+
+ if (log_level_rule) {
+ event_rule_status =
+ lttng_event_rule_log4j_logging_set_log_level_rule(
+ res.er, log_level_rule);
+
+ if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
+ ERR("Failed to set log level on event fule.");
+ goto error;
+ }
+ }
break;
}
- case LTTNG_EVENT_RULE_TYPE_KERNEL_PROBE:
+ case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING:
+ {
+ enum lttng_event_rule_status event_rule_status;
+
+ res.er = lttng_event_rule_python_logging_create();
+ if (!res.er) {
+ ERR("Failed to create jul_logging event rule.");
+ goto error;
+ }
+
+ /* Set pattern. */
+ event_rule_status = lttng_event_rule_python_logging_set_name_pattern(
+ res.er, name);
+ if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
+ ERR("Failed to set jul_logging event rule's pattern to '%s'.",
+ name);
+ goto error;
+ }
+
+ /* Set filter. */
+ if (filter) {
+ event_rule_status = lttng_event_rule_python_logging_set_filter(
+ res.er, filter);
+ if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
+ ERR("Failed to set jul_logging event rule's filter to '%s'.",
+ filter);
+ goto error;
+ }
+ }
+
+ if (log_level_rule) {
+ event_rule_status =
+ lttng_event_rule_python_logging_set_log_level_rule(
+ res.er, log_level_rule);
+
+ if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
+ ERR("Failed to set log level on event fule.");
+ goto error;
+ }
+ }
+ break;
+ }
+ case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
{
int ret;
enum lttng_event_rule_status event_rule_status;
}
assert(kernel_probe_location);
- res.er = lttng_event_rule_kernel_probe_create(kernel_probe_location);
+ res.er = lttng_event_rule_kernel_kprobe_create(kernel_probe_location);
if (!res.er) {
ERR("Failed to create kprobe event rule.");
goto error;
}
event_rule_status =
- lttng_event_rule_kernel_probe_set_event_name(
+ lttng_event_rule_kernel_kprobe_set_event_name(
res.er, event_name);
if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
ERR("Failed to set kprobe event rule's name to '%s'.",
break;
}
- case LTTNG_EVENT_RULE_TYPE_USERSPACE_PROBE:
+ case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
{
int ret;
enum lttng_event_rule_status event_rule_status;
goto error;
}
- res.er = lttng_event_rule_userspace_probe_create(userspace_probe_location);
+ res.er = lttng_event_rule_kernel_uprobe_create(userspace_probe_location);
if (!res.er) {
ERR("Failed to create userspace probe event rule.");
goto error;
}
event_rule_status =
- lttng_event_rule_userspace_probe_set_event_name(
+ lttng_event_rule_kernel_uprobe_set_event_name(
res.er, event_name);
if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
ERR("Failed to set user space probe event rule's name to '%s'.",
break;
}
- case LTTNG_EVENT_RULE_TYPE_SYSCALL:
+ case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
{
enum lttng_event_rule_status event_rule_status;
+ enum lttng_event_rule_kernel_syscall_emission_site emission_site;
+
+ if (!parse_syscall_emission_site_from_type(
+ event_rule_type_str, &emission_site)) {
+ ERR("Failed to parse syscall type '%s'.", event_rule_type_str);
+ goto error;
+ }
- res.er = lttng_event_rule_syscall_create();
+ res.er = lttng_event_rule_kernel_syscall_create(emission_site);
if (!res.er) {
ERR("Failed to create syscall event rule.");
goto error;
}
- event_rule_status = lttng_event_rule_syscall_set_pattern(
+ event_rule_status = lttng_event_rule_kernel_syscall_set_name_pattern(
res.er, name);
if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
ERR("Failed to set syscall event rule's pattern to '%s'.",
}
if (filter) {
- event_rule_status = lttng_event_rule_syscall_set_filter(
+ event_rule_status = lttng_event_rule_kernel_syscall_set_filter(
res.er, filter);
if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
ERR("Failed to set syscall event rule's filter to '%s'.",
argpar_state_destroy(state);
free(filter);
free(name);
- free(exclude_names);
+ lttng_dynamic_pointer_array_reset(&exclude_names);
free(log_level_str);
free(location);
free(event_name);
+ free(event_rule_type_str);
- strutils_free_null_terminated_array_of_strings(exclusion_list);
lttng_kernel_probe_location_destroy(kernel_probe_location);
lttng_userspace_probe_location_destroy(userspace_probe_location);
lttng_log_level_rule_destroy(log_level_rule);
goto error;
}
- c = lttng_condition_on_event_create(res.er);
+ c = lttng_condition_event_rule_matches_create(res.er);
lttng_event_rule_destroy(res.er);
res.er = NULL;
if (!c) {
assert(expr);
assert(*expr);
- status = lttng_condition_on_event_append_capture_descriptor(
+ status = lttng_condition_event_rule_matches_append_capture_descriptor(
c, *expr);
if (status != LTTNG_CONDITION_STATUS_OK) {
if (status == LTTNG_CONDITION_STATUS_UNSUPPORTED) {
return c;
}
-static
-struct lttng_condition *handle_condition_session_consumed_size(int *argc, const char ***argv)
-{
- struct lttng_condition *cond = NULL;
- struct argpar_state *state = NULL;
- struct argpar_item *item = NULL;
- const char *threshold_arg = NULL;
- const char *session_name_arg = NULL;
- uint64_t threshold;
- char *error = NULL;
- enum lttng_condition_status condition_status;
-
- state = argpar_state_create(*argc, *argv, event_rule_opt_descrs);
- if (!state) {
- ERR("Failed to allocate an argpar state.");
- goto error;
- }
-
- while (true) {
- enum argpar_state_parse_next_status status;
-
- ARGPAR_ITEM_DESTROY_AND_RESET(item);
- status = argpar_state_parse_next(state, &item, &error);
- if (status == ARGPAR_STATE_PARSE_NEXT_STATUS_ERROR) {
- ERR("%s", error);
- goto error;
- } else if (status == ARGPAR_STATE_PARSE_NEXT_STATUS_ERROR_UNKNOWN_OPT) {
- /* Just stop parsing here. */
- break;
- } else if (status == ARGPAR_STATE_PARSE_NEXT_STATUS_END) {
- break;
- }
-
- assert(status == ARGPAR_STATE_PARSE_NEXT_STATUS_OK);
-
- if (item->type == ARGPAR_ITEM_TYPE_OPT) {
- const struct argpar_item_opt *item_opt =
- (const struct argpar_item_opt *) item;
-
- switch (item_opt->descr->id) {
- default:
- abort();
- }
- } else {
- const struct argpar_item_non_opt *item_non_opt;
-
- assert(item->type == ARGPAR_ITEM_TYPE_NON_OPT);
-
- item_non_opt = (const struct argpar_item_non_opt *) item;
-
- switch (item_non_opt->non_opt_index) {
- case 0:
- session_name_arg = item_non_opt->arg;
- break;
- case 1:
- threshold_arg = item_non_opt->arg;
- break;
- default:
- ERR("Unexpected argument `%s`.",
- item_non_opt->arg);
- goto error;
- }
- }
- }
-
- *argc -= argpar_state_get_ingested_orig_args(state);
- *argv += argpar_state_get_ingested_orig_args(state);
-
- if (!session_name_arg) {
- ERR("Missing session name argument.");
- goto error;
- }
-
- if (!threshold_arg) {
- ERR("Missing threshold argument.");
- goto error;
- }
-
- if (utils_parse_size_suffix(threshold_arg, &threshold) != 0) {
- ERR("Failed to parse `%s` as a size.", threshold_arg);
- goto error;
- }
-
- cond = lttng_condition_session_consumed_size_create();
- if (!cond) {
- ERR("Failed to allocate a session consumed size condition.");
- goto error;
- }
-
- condition_status = lttng_condition_session_consumed_size_set_session_name(
- cond, session_name_arg);
- if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- ERR("Failed to set session consumed size condition's session name to '%s'.",
- session_name_arg);
- goto error;
- }
-
- condition_status = lttng_condition_session_consumed_size_set_threshold(
- cond, threshold);
- if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- ERR("Failed to set session consumed size condition threshold.");
- goto error;
- }
-
- goto end;
-
-error:
- lttng_condition_destroy(cond);
- cond = NULL;
-
-end:
- argpar_state_destroy(state);
- argpar_item_destroy(item);
- free(error);
- return cond;
-}
-
-static
-struct lttng_condition *handle_condition_buffer_usage_high(int *argc, const char ***argv)
-{
- ERR("High buffer usage threshold conditions are unsupported for the moment.");
- return NULL;
-}
-
-static
-struct lttng_condition *handle_condition_buffer_usage_low(int *argc, const char ***argv)
-{
- ERR("Low buffer usage threshold conditions are unsupported for the moment.");
- return NULL;
-}
-
-static
-struct lttng_condition *handle_condition_session_rotation_ongoing(int *argc, const char ***argv)
-{
- ERR("Session rotation ongoing conditions are unsupported for the moment.");
- return NULL;
-}
-
-static
-struct lttng_condition *handle_condition_session_rotation_completed(int *argc, const char ***argv)
-{
- ERR("Session rotation completed conditions are unsupported for the moment.");
- return NULL;
-}
-
struct condition_descr {
const char *name;
struct lttng_condition *(*handler) (int *argc, const char ***argv);
static const
struct condition_descr condition_descrs[] = {
{ "event-rule-matches", handle_condition_event },
- { "on-session-consumed-size", handle_condition_session_consumed_size },
- { "on-buffer-usage-high", handle_condition_buffer_usage_high },
- { "on-buffer-usage-low", handle_condition_buffer_usage_low },
- { "on-session-rotation-ongoing", handle_condition_session_rotation_ongoing },
- { "on-session-rotation-completed", handle_condition_session_rotation_completed },
};
static
static struct lttng_rate_policy *parse_rate_policy(const char *policy_str)
{
- int num_token;
- char **tokens = NULL;
+ int ret;
+ size_t num_token = 0;
+ struct lttng_dynamic_pointer_array tokens;
struct lttng_rate_policy *policy = NULL;
enum lttng_rate_policy_type policy_type;
unsigned long long value;
char *policy_value_str;
assert(policy_str);
+ lttng_dynamic_pointer_array_init(&tokens, NULL);
- /*
- * rate policy fields are separated by ':'.
- */
- tokens = strutils_split(policy_str, ':', 1);
- num_token = strutils_array_of_strings_len(tokens);
+ /* Rate policy fields are separated by ':'. */
+ ret = strutils_split(policy_str, ':', 1, &tokens);
+ if (ret == 0) {
+ num_token = lttng_dynamic_pointer_array_get_count(&tokens);
+ }
/*
* Early sanity check that the number of parameter is exactly 2.
goto end;
}
- policy_type_str = tokens[0];
- policy_value_str = tokens[1];
+ policy_type_str = lttng_dynamic_pointer_array_get_pointer(&tokens, 0);
+ policy_value_str = lttng_dynamic_pointer_array_get_pointer(&tokens, 1);
/* Parse the type. */
if (strcmp(policy_type_str, "once-after") == 0) {
}
end:
- strutils_free_null_terminated_array_of_strings(tokens);
+ lttng_dynamic_pointer_array_reset(&tokens);
return policy;
}
{ OPT_RATE_POLICY, '\0', "rate-policy", true },
ARGPAR_OPT_DESCR_SENTINEL
};
-
+
state = argpar_state_create(*argc, *argv, rate_policy_opt_descrs);
if (!state) {
ERR("Failed to allocate an argpar state.");
struct lttng_dynamic_pointer_array actions;
struct argpar_state *argpar_state = NULL;
struct argpar_item *argpar_item = NULL;
- struct lttng_action *action_group = NULL;
+ struct lttng_action *action_list = NULL;
struct lttng_action *action = NULL;
struct lttng_trigger *trigger = NULL;
char *error = NULL;
char *name = NULL;
int i;
char *owner_uid = NULL;
+ enum lttng_error_code ret_code;
lttng_dynamic_pointer_array_init(&actions, lttng_actions_destructor);
goto error;
}
- action_group = lttng_action_group_create();
- if (!action_group) {
+ action_list = lttng_action_list_create();
+ if (!action_list) {
goto error;
}
action = lttng_dynamic_pointer_array_steal_pointer(&actions, i);
- status = lttng_action_group_add_action(action_group, action);
+ status = lttng_action_list_add_action(action_list, action);
if (status != LTTNG_ACTION_STATUS_OK) {
goto error;
}
/*
- * The `lttng_action_group_add_action()` takes a reference to
+ * The `lttng_action_list_add_action()` takes a reference to
* the action. We can destroy ours.
*/
lttng_action_destroy(action);
action = NULL;
}
- trigger = lttng_trigger_create(condition, action_group);
+ trigger = lttng_trigger_create(condition, action_list);
if (!trigger) {
goto error;
}
- if (name) {
- enum lttng_trigger_status trigger_status =
- lttng_trigger_set_name(trigger, name);
-
- if (trigger_status != LTTNG_TRIGGER_STATUS_OK) {
- ERR("Failed to set trigger name.");
- goto error;
- }
- }
-
if (owner_uid) {
enum lttng_trigger_status trigger_status;
char *end;
uid = strtol(owner_uid, &end, 10);
if (end == owner_uid || *end != '\0' || errno != 0) {
ERR("Failed to parse `%s` as a user id.", owner_uid);
+ goto error;
}
trigger_status = lttng_trigger_set_owner_uid(trigger, uid);
}
}
- ret = lttng_register_trigger(trigger);
- if (ret) {
- ERR("Failed to register trigger: %s.", lttng_strerror(ret));
+ if (name) {
+ ret_code = lttng_register_trigger_with_name(trigger, name);
+ } else {
+ ret_code = lttng_register_trigger_with_automatic_name(trigger);
+ }
+
+ if (ret_code != LTTNG_OK) {
+ ERR("Failed to register trigger: %s.",
+ lttng_strerror(-ret_code));
goto error;
}
MSG("Trigger registered successfully.");
+ ret = 0;
goto end;
argpar_item_destroy(argpar_item);
lttng_dynamic_pointer_array_reset(&actions);
lttng_condition_destroy(condition);
- lttng_action_destroy(action_group);
+ lttng_action_destroy(action_list);
lttng_action_destroy(action);
lttng_trigger_destroy(trigger);
free(error);