From patchwork Wed Aug 8 15:56:02 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Rostedt X-Patchwork-Id: 10758875 Return-Path: Received: from mail.kernel.org ([198.145.29.99]:42324 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728330AbeHHSdd (ORCPT ); Wed, 8 Aug 2018 14:33:33 -0400 Message-Id: <20180808161309.026662755@goodmis.org> Date: Wed, 08 Aug 2018 11:56:02 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org, linux-trace-devel@vger.kernel.org Cc: Arnaldo Carvalho de Melo , Ingo Molnar , Andrew Morton , Peter Zijlstra , Namhyung Kim , Masami Hiramatsu , Jiri Olsa , Alexander Shishkin , Yordan Karadzhov , Tzvetomir Stoyanov Subject: [RFC][PATCH 14/24] tools/lib/traceevent: Rename pevent_function* APIs MIME-Version: 1.0 Sender: linux-trace-devel-owner@vger.kernel.org List-ID: Content-Length: 13098 From: "Tzvetomir Stoyanov (VMware)" In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_function_handler, pevent_func_handler, pevent_func_arg_type, PEVENT_FUNC_ARG_VOID, PEVENT_FUNC_ARG_INT, PEVENT_FUNC_ARG_LONG, PEVENT_FUNC_ARG_STRING, PEVENT_FUNC_ARG_PTRS, PEVENT_FUNC_ARG_MAX_TYPES Signed-off-by: Tzvetomir Stoyanov (VMware) Signed-off-by: Steven Rostedt (VMware) --- tools/lib/traceevent/event-parse.c | 62 +++++++++++++------------- tools/lib/traceevent/event-parse.h | 30 ++++++------- tools/lib/traceevent/plugin_cfg80211.c | 6 +-- tools/lib/traceevent/plugin_jbd2.c | 12 ++--- tools/lib/traceevent/plugin_kvm.c | 6 +-- tools/lib/traceevent/plugin_scsi.c | 10 ++--- tools/lib/traceevent/plugin_xen.c | 6 +-- 7 files changed, 66 insertions(+), 66 deletions(-) diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 01b5dbf2abdf..8d0ce0ea52dc 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -94,14 +94,14 @@ struct event_handler { struct pevent_func_params { struct pevent_func_params *next; - enum pevent_func_arg_type type; + enum tep_func_arg_type type; }; -struct pevent_function_handler { - struct pevent_function_handler *next; - enum pevent_func_arg_type ret_type; +struct tep_function_handler { + struct tep_function_handler *next; + enum tep_func_arg_type ret_type; char *name; - pevent_func_handler func; + tep_func_handler func; struct pevent_func_params *params; int nr_args; }; @@ -110,7 +110,7 @@ static unsigned long long process_defined_func(struct trace_seq *s, void *data, int size, struct event_format *event, struct print_arg *arg); -static void free_func_handle(struct pevent_function_handler *func); +static void free_func_handle(struct tep_function_handler *func); /** * pevent_buffer_init - init buffer for parsing @@ -2914,10 +2914,10 @@ process_bitmask(struct event_format *event __maybe_unused, struct print_arg *arg return EVENT_ERROR; } -static struct pevent_function_handler * +static struct tep_function_handler * find_func_handler(struct tep_handle *pevent, char *func_name) { - struct pevent_function_handler *func; + struct tep_function_handler *func; if (!pevent) return NULL; @@ -2932,8 +2932,8 @@ find_func_handler(struct tep_handle *pevent, char *func_name) static void remove_func_handler(struct tep_handle *pevent, char *func_name) { - struct pevent_function_handler *func; - struct pevent_function_handler **next; + struct tep_function_handler *func; + struct tep_function_handler **next; next = &pevent->func_handlers; while ((func = *next)) { @@ -2947,7 +2947,7 @@ static void remove_func_handler(struct tep_handle *pevent, char *func_name) } static enum event_type -process_func_handler(struct event_format *event, struct pevent_function_handler *func, +process_func_handler(struct event_format *event, struct tep_function_handler *func, struct print_arg *arg, char **tok) { struct print_arg **next_arg; @@ -3008,7 +3008,7 @@ static enum event_type process_function(struct event_format *event, struct print_arg *arg, char *token, char **tok) { - struct pevent_function_handler *func; + struct tep_function_handler *func; if (strcmp(token, "__print_flags") == 0) { free_token(token); @@ -4132,7 +4132,7 @@ static unsigned long long process_defined_func(struct trace_seq *s, void *data, int size, struct event_format *event, struct print_arg *arg) { - struct pevent_function_handler *func_handle = arg->func.func; + struct tep_function_handler *func_handle = arg->func.func; struct pevent_func_params *param; unsigned long long *args; unsigned long long ret; @@ -4159,12 +4159,12 @@ process_defined_func(struct trace_seq *s, void *data, int size, for (i = 0; i < func_handle->nr_args; i++) { switch (param->type) { - case PEVENT_FUNC_ARG_INT: - case PEVENT_FUNC_ARG_LONG: - case PEVENT_FUNC_ARG_PTR: + case TEP_FUNC_ARG_INT: + case TEP_FUNC_ARG_LONG: + case TEP_FUNC_ARG_PTR: args[i] = eval_num_arg(data, size, event, farg); break; - case PEVENT_FUNC_ARG_STRING: + case TEP_FUNC_ARG_STRING: trace_seq_init(&str); print_str_arg(&str, data, size, event, "%s", -1, farg); trace_seq_terminate(&str); @@ -6461,7 +6461,7 @@ int tep_print_func_field(struct trace_seq *s, const char *fmt, return -1; } -static void free_func_handle(struct pevent_function_handler *func) +static void free_func_handle(struct tep_function_handler *func) { struct pevent_func_params *params; @@ -6482,24 +6482,24 @@ static void free_func_handle(struct pevent_function_handler *func) * @func: the function to process the helper function * @ret_type: the return type of the helper function * @name: the name of the helper function - * @parameters: A list of enum pevent_func_arg_type + * @parameters: A list of enum tep_func_arg_type * * Some events may have helper functions in the print format arguments. * This allows a plugin to dynamically create a way to process one * of these functions. * - * The @parameters is a variable list of pevent_func_arg_type enums that - * must end with PEVENT_FUNC_ARG_VOID. + * The @parameters is a variable list of tep_func_arg_type enums that + * must end with TEP_FUNC_ARG_VOID. */ int pevent_register_print_function(struct tep_handle *pevent, - pevent_func_handler func, - enum pevent_func_arg_type ret_type, + tep_func_handler func, + enum tep_func_arg_type ret_type, char *name, ...) { - struct pevent_function_handler *func_handle; + struct tep_function_handler *func_handle; struct pevent_func_params **next_param; struct pevent_func_params *param; - enum pevent_func_arg_type type; + enum tep_func_arg_type type; va_list ap; int ret; @@ -6532,11 +6532,11 @@ int pevent_register_print_function(struct tep_handle *pevent, next_param = &(func_handle->params); va_start(ap, name); for (;;) { - type = va_arg(ap, enum pevent_func_arg_type); - if (type == PEVENT_FUNC_ARG_VOID) + type = va_arg(ap, enum tep_func_arg_type); + if (type == TEP_FUNC_ARG_VOID) break; - if (type >= PEVENT_FUNC_ARG_MAX_TYPES) { + if (type >= TEP_FUNC_ARG_MAX_TYPES) { do_warning("Invalid argument type %d", type); ret = TEP_ERRNO__INVALID_ARG_TYPE; goto out_free; @@ -6579,9 +6579,9 @@ int pevent_register_print_function(struct tep_handle *pevent, * Returns 0 if the handler was removed successully, -1 otherwise. */ int pevent_unregister_print_function(struct tep_handle *pevent, - pevent_func_handler func, char *name) + tep_func_handler func, char *name) { - struct pevent_function_handler *func_handle; + struct tep_function_handler *func_handle; func_handle = find_func_handler(pevent, name); if (func_handle && func_handle->func == func) { @@ -6819,7 +6819,7 @@ void tep_free(struct tep_handle *pevent) struct cmdline_list *cmdlist, *cmdnext; struct func_list *funclist, *funcnext; struct printk_list *printklist, *printknext; - struct pevent_function_handler *func_handler; + struct tep_function_handler *func_handler; struct event_handler *handle; int i; diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h index 3067f524fef8..81f34132fc47 100644 --- a/tools/lib/traceevent/event-parse.h +++ b/tools/lib/traceevent/event-parse.h @@ -269,10 +269,10 @@ struct print_arg_op { struct print_arg *right; }; -struct pevent_function_handler; +struct tep_function_handler; struct print_arg_func { - struct pevent_function_handler *func; + struct tep_function_handler *func; struct print_arg *args; }; @@ -361,16 +361,16 @@ enum event_type { EVENT_SQUOTE, }; -typedef unsigned long long (*pevent_func_handler)(struct trace_seq *s, - unsigned long long *args); +typedef unsigned long long (*tep_func_handler)(struct trace_seq *s, + unsigned long long *args); -enum pevent_func_arg_type { - PEVENT_FUNC_ARG_VOID, - PEVENT_FUNC_ARG_INT, - PEVENT_FUNC_ARG_LONG, - PEVENT_FUNC_ARG_STRING, - PEVENT_FUNC_ARG_PTR, - PEVENT_FUNC_ARG_MAX_TYPES +enum tep_func_arg_type { + TEP_FUNC_ARG_VOID, + TEP_FUNC_ARG_INT, + TEP_FUNC_ARG_LONG, + TEP_FUNC_ARG_STRING, + TEP_FUNC_ARG_PTR, + TEP_FUNC_ARG_MAX_TYPES }; enum tep_flag { @@ -524,7 +524,7 @@ struct tep_handle { struct format_field *bprint_buf_field; struct event_handler *handlers; - struct pevent_function_handler *func_handlers; + struct tep_function_handler *func_handlers; /* cache */ struct event_format *last_event; @@ -680,11 +680,11 @@ int pevent_unregister_event_handler(struct tep_handle *pevent, int id, const char *sys_name, const char *event_name, tep_event_handler_func func, void *context); int pevent_register_print_function(struct tep_handle *pevent, - pevent_func_handler func, - enum pevent_func_arg_type ret_type, + tep_func_handler func, + enum tep_func_arg_type ret_type, char *name, ...); int pevent_unregister_print_function(struct tep_handle *pevent, - pevent_func_handler func, char *name); + tep_func_handler func, char *name); struct format_field *tep_find_common_field(struct event_format *event, const char *name); struct format_field *tep_find_field(struct event_format *event, const char *name); diff --git a/tools/lib/traceevent/plugin_cfg80211.c b/tools/lib/traceevent/plugin_cfg80211.c index c189bbc9fa18..e0421e31509f 100644 --- a/tools/lib/traceevent/plugin_cfg80211.c +++ b/tools/lib/traceevent/plugin_cfg80211.c @@ -29,10 +29,10 @@ int TEP_PLUGIN_LOADER(struct tep_handle *pevent) { pevent_register_print_function(pevent, process___le16_to_cpup, - PEVENT_FUNC_ARG_INT, + TEP_FUNC_ARG_INT, "__le16_to_cpup", - PEVENT_FUNC_ARG_PTR, - PEVENT_FUNC_ARG_VOID); + TEP_FUNC_ARG_PTR, + TEP_FUNC_ARG_VOID); return 0; } diff --git a/tools/lib/traceevent/plugin_jbd2.c b/tools/lib/traceevent/plugin_jbd2.c index 9b88aebb48a9..6da955ff037e 100644 --- a/tools/lib/traceevent/plugin_jbd2.c +++ b/tools/lib/traceevent/plugin_jbd2.c @@ -51,17 +51,17 @@ int TEP_PLUGIN_LOADER(struct tep_handle *pevent) { pevent_register_print_function(pevent, process_jbd2_dev_to_name, - PEVENT_FUNC_ARG_STRING, + TEP_FUNC_ARG_STRING, "jbd2_dev_to_name", - PEVENT_FUNC_ARG_INT, - PEVENT_FUNC_ARG_VOID); + TEP_FUNC_ARG_INT, + TEP_FUNC_ARG_VOID); pevent_register_print_function(pevent, process_jiffies_to_msecs, - PEVENT_FUNC_ARG_LONG, + TEP_FUNC_ARG_LONG, "jiffies_to_msecs", - PEVENT_FUNC_ARG_LONG, - PEVENT_FUNC_ARG_VOID); + TEP_FUNC_ARG_LONG, + TEP_FUNC_ARG_VOID); return 0; } diff --git a/tools/lib/traceevent/plugin_kvm.c b/tools/lib/traceevent/plugin_kvm.c index d71bc3fde75b..c20f743edf1f 100644 --- a/tools/lib/traceevent/plugin_kvm.c +++ b/tools/lib/traceevent/plugin_kvm.c @@ -479,10 +479,10 @@ int TEP_PLUGIN_LOADER(struct tep_handle *pevent) pevent_register_print_function(pevent, process_is_writable_pte, - PEVENT_FUNC_ARG_INT, + TEP_FUNC_ARG_INT, "is_writable_pte", - PEVENT_FUNC_ARG_LONG, - PEVENT_FUNC_ARG_VOID); + TEP_FUNC_ARG_LONG, + TEP_FUNC_ARG_VOID); return 0; } diff --git a/tools/lib/traceevent/plugin_scsi.c b/tools/lib/traceevent/plugin_scsi.c index bb9aea6fb000..ce38df7ed4d8 100644 --- a/tools/lib/traceevent/plugin_scsi.c +++ b/tools/lib/traceevent/plugin_scsi.c @@ -417,12 +417,12 @@ int TEP_PLUGIN_LOADER(struct tep_handle *pevent) { pevent_register_print_function(pevent, process_scsi_trace_parse_cdb, - PEVENT_FUNC_ARG_STRING, + TEP_FUNC_ARG_STRING, "scsi_trace_parse_cdb", - PEVENT_FUNC_ARG_PTR, - PEVENT_FUNC_ARG_PTR, - PEVENT_FUNC_ARG_INT, - PEVENT_FUNC_ARG_VOID); + TEP_FUNC_ARG_PTR, + TEP_FUNC_ARG_PTR, + TEP_FUNC_ARG_INT, + TEP_FUNC_ARG_VOID); return 0; } diff --git a/tools/lib/traceevent/plugin_xen.c b/tools/lib/traceevent/plugin_xen.c index 1973dd8abbfd..2ffbd91d5bb7 100644 --- a/tools/lib/traceevent/plugin_xen.c +++ b/tools/lib/traceevent/plugin_xen.c @@ -123,10 +123,10 @@ int TEP_PLUGIN_LOADER(struct tep_handle *pevent) { pevent_register_print_function(pevent, process_xen_hypercall_name, - PEVENT_FUNC_ARG_STRING, + TEP_FUNC_ARG_STRING, "xen_hypercall_name", - PEVENT_FUNC_ARG_INT, - PEVENT_FUNC_ARG_VOID); + TEP_FUNC_ARG_INT, + TEP_FUNC_ARG_VOID); return 0; }