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tools/perf: Add support for record transaction flags

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Add support for recording and displaying the transaction flags.
They are essentially a new sort key. Also display them
in a nice way to the user.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1379688044-14173-6-git-send-email-andi@firstfloor.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Andi Kleen
2013-09-20 07:40:43 -07:00
committed by Ingo Molnar
parent 0126d493b6
commit 475eeab9f3
17 changed files with 122 additions and 15 deletions
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73
tools/perf/util/sort.c
View File

@@ -907,6 +907,78 @@ struct sort_entry sort_in_tx = {
.se_width_idx = HISTC_IN_TX,
};
static int64_t
sort__transaction_cmp(struct hist_entry *left, struct hist_entry *right)
{
return left->transaction - right->transaction;
}
static inline char *add_str(char *p, const char *str)
{
strcpy(p, str);
return p + strlen(str);
}
static struct txbit {
unsigned flag;
const char *name;
int skip_for_len;
} txbits[] = {
{ PERF_TXN_ELISION, "EL ", 0 },
{ PERF_TXN_TRANSACTION, "TX ", 1 },
{ PERF_TXN_SYNC, "SYNC ", 1 },
{ PERF_TXN_ASYNC, "ASYNC ", 0 },
{ PERF_TXN_RETRY, "RETRY ", 0 },
{ PERF_TXN_CONFLICT, "CON ", 0 },
{ PERF_TXN_CAPACITY_WRITE, "CAP-WRITE ", 1 },
{ PERF_TXN_CAPACITY_READ, "CAP-READ ", 0 },
{ 0, NULL, 0 }
};
int hist_entry__transaction_len(void)
{
int i;
int len = 0;
for (i = 0; txbits[i].name; i++) {
if (!txbits[i].skip_for_len)
len += strlen(txbits[i].name);
}
len += 4; /* :XX<space> */
return len;
}
static int hist_entry__transaction_snprintf(struct hist_entry *self, char *bf,
size_t size, unsigned int width)
{
u64 t = self->transaction;
char buf[128];
char *p = buf;
int i;
buf[0] = 0;
for (i = 0; txbits[i].name; i++)
if (txbits[i].flag & t)
p = add_str(p, txbits[i].name);
if (t && !(t & (PERF_TXN_SYNC|PERF_TXN_ASYNC)))
p = add_str(p, "NEITHER ");
if (t & PERF_TXN_ABORT_MASK) {
sprintf(p, ":%" PRIx64,
(t & PERF_TXN_ABORT_MASK) >>
PERF_TXN_ABORT_SHIFT);
p += strlen(p);
}
return repsep_snprintf(bf, size, "%-*s", width, buf);
}
struct sort_entry sort_transaction = {
.se_header = "Transaction ",
.se_cmp = sort__transaction_cmp,
.se_snprintf = hist_entry__transaction_snprintf,
.se_width_idx = HISTC_TRANSACTION,
};
struct sort_dimension {
const char *name;
struct sort_entry *entry;
@@ -925,6 +997,7 @@ static struct sort_dimension common_sort_dimensions[] = {
DIM(SORT_SRCLINE, "srcline", sort_srcline),
DIM(SORT_LOCAL_WEIGHT, "local_weight", sort_local_weight),
DIM(SORT_GLOBAL_WEIGHT, "weight", sort_global_weight),
DIM(SORT_TRANSACTION, "transaction", sort_transaction),
};
#undef DIM