From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934538AbbLWNJa (ORCPT ); Wed, 23 Dec 2015 08:09:30 -0500 Received: from mail-pa0-f45.google.com ([209.85.220.45]:36014 "EHLO mail-pa0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755209AbbLWNJ2 (ORCPT ); Wed, 23 Dec 2015 08:09:28 -0500 From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Ingo Molnar , Peter Zijlstra , Jiri Olsa , LKML , David Ahern , Steven Rostedt , Frederic Weisbecker , Andi Kleen , Wang Nan Subject: [PATCH v4.1 03/13] tools lib traceevent: Factor out and export print_event_field[s] Date: Wed, 23 Dec 2015 22:08:41 +0900 Message-Id: <1450876121-22494-1-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1450804030-29193-4-git-send-email-namhyung@kernel.org> References: <1450804030-29193-4-git-send-email-namhyung@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The print_event_field() and print_event_fields() are to print basic information of a given field or event without the print format. They'll be used by dynamic sort keys later. Cc: Steven Rostedt Signed-off-by: Namhyung Kim --- Fix typo. The branch was also updated. tools/lib/traceevent/event-parse.c | 125 ++++++++++++++++++++----------------- tools/lib/traceevent/event-parse.h | 4 ++ 2 files changed, 70 insertions(+), 59 deletions(-) diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 68276f35e323..1b43f2b9aebe 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -4735,73 +4735,80 @@ static int is_printable_array(char *p, unsigned int len) return 1; } -static void print_event_fields(struct trace_seq *s, void *data, - int size __maybe_unused, - struct event_format *event) +void print_event_field(struct trace_seq *s, void *data, + struct format_field *field) { - struct format_field *field; unsigned long long val; unsigned int offset, len, i; - - field = event->format.fields; - while (field) { - trace_seq_printf(s, " %s=", field->name); - if (field->flags & FIELD_IS_ARRAY) { - offset = field->offset; - len = field->size; - if (field->flags & FIELD_IS_DYNAMIC) { - val = pevent_read_number(event->pevent, data + offset, len); - offset = val; - len = offset >> 16; - offset &= 0xffff; - } - if (field->flags & FIELD_IS_STRING && - is_printable_array(data + offset, len)) { - trace_seq_printf(s, "%s", (char *)data + offset); - } else { - trace_seq_puts(s, "ARRAY["); - for (i = 0; i < len; i++) { - if (i) - trace_seq_puts(s, ", "); - trace_seq_printf(s, "%02x", - *((unsigned char *)data + offset + i)); - } - trace_seq_putc(s, ']'); - field->flags &= ~FIELD_IS_STRING; - } + struct pevent *pevent = field->event->pevent; + + if (field->flags & FIELD_IS_ARRAY) { + offset = field->offset; + len = field->size; + if (field->flags & FIELD_IS_DYNAMIC) { + val = pevent_read_number(pevent, data + offset, len); + offset = val; + len = offset >> 16; + offset &= 0xffff; + } + if (field->flags & FIELD_IS_STRING && + is_printable_array(data + offset, len)) { + trace_seq_printf(s, "%s", (char *)data + offset); } else { - val = pevent_read_number(event->pevent, data + field->offset, - field->size); - if (field->flags & FIELD_IS_POINTER) { - trace_seq_printf(s, "0x%llx", val); - } else if (field->flags & FIELD_IS_SIGNED) { - switch (field->size) { - case 4: - /* - * If field is long then print it in hex. - * A long usually stores pointers. - */ - if (field->flags & FIELD_IS_LONG) - trace_seq_printf(s, "0x%x", (int)val); - else - trace_seq_printf(s, "%d", (int)val); - break; - case 2: - trace_seq_printf(s, "%2d", (short)val); - break; - case 1: - trace_seq_printf(s, "%1d", (char)val); - break; - default: - trace_seq_printf(s, "%lld", val); - } - } else { + trace_seq_puts(s, "ARRAY["); + for (i = 0; i < len; i++) { + if (i) + trace_seq_puts(s, ", "); + trace_seq_printf(s, "%02x", + *((unsigned char *)data + offset + i)); + } + trace_seq_putc(s, ']'); + field->flags &= ~FIELD_IS_STRING; + } + } else { + val = pevent_read_number(pevent, data + field->offset, + field->size); + if (field->flags & FIELD_IS_POINTER) { + trace_seq_printf(s, "0x%llx", val); + } else if (field->flags & FIELD_IS_SIGNED) { + switch (field->size) { + case 4: + /* + * If field is long then print it in hex. + * A long usually stores pointers. + */ if (field->flags & FIELD_IS_LONG) - trace_seq_printf(s, "0x%llx", val); + trace_seq_printf(s, "0x%x", (int)val); else - trace_seq_printf(s, "%llu", val); + trace_seq_printf(s, "%d", (int)val); + break; + case 2: + trace_seq_printf(s, "%2d", (short)val); + break; + case 1: + trace_seq_printf(s, "%1d", (char)val); + break; + default: + trace_seq_printf(s, "%lld", val); } + } else { + if (field->flags & FIELD_IS_LONG) + trace_seq_printf(s, "0x%llx", val); + else + trace_seq_printf(s, "%llu", val); } + } +} + +void print_event_fields(struct trace_seq *s, void *data, + int size __maybe_unused, struct event_format *event) +{ + struct format_field *field; + + field = event->format.fields; + while (field) { + trace_seq_printf(s, " %s=", field->name); + print_event_field(s, data, field); field = field->next; } } diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h index 6fc83c7edbe9..600c73277a6f 100644 --- a/tools/lib/traceevent/event-parse.h +++ b/tools/lib/traceevent/event-parse.h @@ -705,6 +705,10 @@ struct cmdline *pevent_data_pid_from_comm(struct pevent *pevent, const char *com struct cmdline *next); int pevent_cmdline_pid(struct pevent *pevent, struct cmdline *cmdline); +void print_event_field(struct trace_seq *s, void *data, + struct format_field *field); +void print_event_fields(struct trace_seq *s, void *data, + int size __maybe_unused, struct event_format *event); void pevent_event_info(struct trace_seq *s, struct event_format *event, struct pevent_record *record); int pevent_strerror(struct pevent *pevent, enum pevent_errno errnum, -- 2.6.4