[PATCH] tracing - add indexes to the array values definitions

From: Jiri Olsa
Date: Thu Nov 11 2010 - 04:49:33 EST


Adding indexes to trace_options and err_text arrays definitions.
It helps the code readability.

wbr,
jirka


Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
kernel/trace/trace.c | 42 ++++++++++++++++++------------------
kernel/trace/trace_events_filter.c | 25 +++++++++++----------
2 files changed, 34 insertions(+), 33 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 82d9b81..cf2b0e5 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -405,27 +405,27 @@ unsigned long nsecs_to_usecs(unsigned long nsecs)

/* These must match the bit postions in trace_iterator_flags */
static const char *trace_options[] = {
- "print-parent",
- "sym-offset",
- "sym-addr",
- "verbose",
- "raw",
- "hex",
- "bin",
- "block",
- "stacktrace",
- "trace_printk",
- "ftrace_preempt",
- "branch",
- "annotate",
- "userstacktrace",
- "sym-userobj",
- "printk-msg-only",
- "context-info",
- "latency-format",
- "sleep-time",
- "graph-time",
- "record-cmd",
+ [TRACE_ITER_PRINT_PARENT] = "print-parent",
+ [TRACE_ITER_SYM_OFFSET] = "sym-offset",
+ [TRACE_ITER_SYM_ADDR] = "sym-addr",
+ [TRACE_ITER_VERBOSE] = "verbose",
+ [TRACE_ITER_RAW] = "raw",
+ [TRACE_ITER_HEX] = "hex",
+ [TRACE_ITER_BIN] = "bin",
+ [TRACE_ITER_BLOCK] = "block",
+ [TRACE_ITER_STACKTRACE] = "stacktrace",
+ [TRACE_ITER_PRINTK] = "trace_printk",
+ [TRACE_ITER_PREEMPTONLY] = "ftrace_preempt",
+ [TRACE_ITER_BRANCH] = "branch",
+ [TRACE_ITER_ANNOTATE] = "annotate",
+ [TRACE_ITER_USERSTACKTRACE] = "userstacktrace",
+ [TRACE_ITER_SYM_USEROBJ] = "sym-userobj",
+ [TRACE_ITER_PRINTK_MSGONLY] = "printk-msg-only",
+ [TRACE_ITER_CONTEXT_INFO] = "context-info",
+ [TRACE_ITER_LATENCY_FMT] = "latency-format",
+ [TRACE_ITER_SLEEP_TIME] = "sleep-time",
+ [TRACE_ITER_GRAPH_TIME] = "graph-time",
+ [TRACE_ITER_RECORD_CMD] = "record-cmd",
NULL
};

diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 36d4010..efb50eb 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -78,18 +78,19 @@ enum {
};

static char *err_text[] = {
- "No error",
- "Invalid operator",
- "Unbalanced parens",
- "Too many operands",
- "Operand too long",
- "Field not found",
- "Illegal operation for field type",
- "Illegal integer value",
- "Couldn't find or set field in one of a subsystem's events",
- "Too many terms in predicate expression",
- "Missing field name and/or value",
- "Meaningless filter expression",
+ [FILT_ERR_NONE] = "No error",
+ [FILT_ERR_INVALID_OP] = "Invalid operator",
+ [FILT_ERR_UNBALANCED_PAREN] = "Unbalanced parens",
+ [FILT_ERR_TOO_MANY_OPERANDS] = "Too many operands",
+ [FILT_ERR_OPERAND_TOO_LONG] = "Operand too long",
+ [FILT_ERR_FIELD_NOT_FOUND] = "Field not found",
+ [FILT_ERR_ILLEGAL_FIELD_OP] = "Illegal operation for field type",
+ [FILT_ERR_ILLEGAL_INTVAL] = "Illegal integer value",
+ [FILT_ERR_BAD_SUBSYS_FILTER] = "Couldn't find or set field in one of"
+ " a subsystem's events",
+ [FILT_ERR_TOO_MANY_PREDS] = "Too many terms in predicate expression",
+ [FILT_ERR_MISSING_FIELD] = "Missing field name and/or value",
+ [FILT_ERR_INVALID_FILTER] = "Meaningless filter expression",
};

struct opstack_op {
--
1.7.1

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