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-rw-r--r--blkparse.c156
1 files changed, 154 insertions, 2 deletions
diff --git a/blkparse.c b/blkparse.c
index 227cc44..3de2ebe 100644
--- a/blkparse.c
+++ b/blkparse.c
@@ -100,6 +100,19 @@ struct per_process_info {
#define PPI_HASH_SHIFT (8)
#define PPI_HASH_SIZE (1 << PPI_HASH_SHIFT)
#define PPI_HASH_MASK (PPI_HASH_SIZE - 1)
+
+enum {
+ SORT_PROG_EVENT_N, /* Program Name */
+ SORT_PROG_EVENT_QKB, /* KB: Queued read and write */
+ SORT_PROG_EVENT_RKB, /* KB: Queued Read */
+ SORT_PROG_EVENT_WKB, /* KB: Queued Write */
+ SORT_PROG_EVENT_CKB, /* KB: Complete */
+ SORT_PROG_EVENT_QIO, /* IO: Queued read and write */
+ SORT_PROG_EVENT_RIO, /* IO: Queued Read */
+ SORT_PROG_EVENT_WIO, /* IO: Queued Write */
+ SORT_PROG_EVENT_CIO, /* IO: Complete */
+};
+
static struct per_process_info *ppi_hash_table[PPI_HASH_SIZE];
static struct per_process_info *ppi_list;
static int ppi_list_entries;
@@ -190,6 +203,12 @@ static struct option l_opts[] = {
.val = 's'
},
{
+ .name = "sort-program-stats",
+ .has_arg = required_argument,
+ .flag = NULL,
+ .val = 'S'
+ },
+ {
.name = "track-ios",
.has_arg = no_argument,
.flag = NULL,
@@ -269,6 +288,7 @@ static unsigned long long stopwatch_end = -1ULL; /* "infinity" */
static unsigned long read_sequence;
static int per_process_stats;
+static int per_process_stats_event = SORT_PROG_EVENT_N;
static int per_device_and_cpu_stats = 1;
static int track_ios;
static int ppi_hash_by_pid = 1;
@@ -1758,6 +1778,88 @@ static int ppi_name_compare(const void *p1, const void *p2)
return res;
}
+static int ppi_event_compare(const void *p1, const void *p2)
+{
+ struct per_process_info *ppi1 = *((struct per_process_info **) p1);
+ struct per_process_info *ppi2 = *((struct per_process_info **) p2);
+ struct io_stats *ios1 = &ppi1->io_stats;
+ struct io_stats *ios2 = &ppi2->io_stats;
+ unsigned long io1, io2;
+ unsigned long long kb1,kb2;
+ int sort_by_kb = 1;
+
+ io1 = io2 = 0;
+ kb1 = kb2 = 0;
+
+ switch (per_process_stats_event) {
+ case SORT_PROG_EVENT_QKB: /* KB: Queued read and write */
+ kb1 = ios1->qwrite_kb + (ios1->qwrite_b>>10) +
+ ios1->qread_kb + (ios1->qread_b>>10);
+ kb2 = ios2->qwrite_kb + (ios2->qwrite_b>>10) +
+ ios2->qread_kb + (ios2->qread_b>>10);
+ break;
+ case SORT_PROG_EVENT_RKB: /* KB: Queued Read */
+ kb1 = ios1->qread_kb + (ios1->qread_b>>10);
+ kb2 = ios2->qread_kb + (ios2->qread_b>>10);
+ break;
+ case SORT_PROG_EVENT_WKB: /* KB: Queued Write */
+ kb1 = ios1->qwrite_kb + (ios1->qwrite_b>>10);
+ kb2 = ios2->qwrite_kb + (ios2->qwrite_b>>10);
+ break;
+ case SORT_PROG_EVENT_CKB: /* KB: Complete */
+ kb1 = ios1->cwrite_kb + (ios1->cwrite_b>>10) +
+ ios1->cread_kb + (ios1->cread_b>>10);
+ kb2 = ios2->cwrite_kb + (ios2->cwrite_b>>10) +
+ ios2->cread_kb + (ios2->cread_b>>10);
+ break;
+ case SORT_PROG_EVENT_QIO: /* IO: Queued read and write */
+ sort_by_kb = 0;
+ io1 = ios1->qreads + ios1->qwrites;
+ io2 = ios2->qreads + ios2->qwrites;
+ break;
+ case SORT_PROG_EVENT_RIO: /* IO: Queued Read */
+ sort_by_kb = 0;
+ io1 = ios1->qreads;
+ io2 = ios2->qreads;
+ break;
+ case SORT_PROG_EVENT_WIO: /* IO: Queued Write */
+ sort_by_kb = 0;
+ io1 = ios1->qwrites;
+ io2 = ios2->qwrites;
+ break;
+ case SORT_PROG_EVENT_CIO: /* IO: Complete */
+ sort_by_kb = 0;
+ io1 = ios1->creads + ios1->cwrites;
+ io2 = ios2->creads + ios2->cwrites;
+ break;
+ }
+
+
+ /* compare kb */
+ if (sort_by_kb) {
+ if (kb1 > kb2)
+ return 1;
+ else if (kb1 == kb2)
+ return 0;
+ return -1;
+ }
+
+ /* compare io */
+ if (io1 > io2)
+ return 1;
+ else if (io1 == io2)
+ return 0;
+ return -1;
+}
+
+static int ppi_compare(const void *p1, const void *p2)
+{
+ if (per_process_stats_event == SORT_PROG_EVENT_N)
+ return ppi_name_compare(p1, p2);
+
+ return ppi_event_compare(p1, p2);
+}
+
static void sort_process_list(void)
{
struct per_process_info **ppis;
@@ -1772,7 +1874,7 @@ static void sort_process_list(void)
ppi = ppi->list_next;
}
- qsort(ppis, ppi_list_entries, sizeof(ppi), ppi_name_compare);
+ qsort(ppis, ppi_list_entries, sizeof(ppi), ppi_compare);
i = ppi_list_entries - 1;
ppi_list = NULL;
@@ -2730,7 +2832,46 @@ static int is_pipe(const char *str)
return 0;
}
-#define S_OPTS "a:A:b:D:d:f:F:hi:o:Oqstw:vVM"
+static int get_program_sort_event(const char *str)
+{
+ char evt = str[0];
+
+ switch (evt) {
+ case 'N':
+ per_process_stats_event = SORT_PROG_EVENT_N;
+ break;
+ case 'Q':
+ per_process_stats_event = SORT_PROG_EVENT_QKB;
+ break;
+ case 'q':
+ per_process_stats_event = SORT_PROG_EVENT_QIO;
+ break;
+ case 'R':
+ per_process_stats_event = SORT_PROG_EVENT_RKB;
+ break;
+ case 'r':
+ per_process_stats_event = SORT_PROG_EVENT_RIO;
+ break;
+ case 'W':
+ per_process_stats_event = SORT_PROG_EVENT_WKB;
+ break;
+ case 'w':
+ per_process_stats_event = SORT_PROG_EVENT_WIO;
+ break;
+ case 'C':
+ per_process_stats_event = SORT_PROG_EVENT_CKB;
+ break;
+ case 'c':
+ per_process_stats_event = SORT_PROG_EVENT_CIO;
+ break;
+ default:
+ return 1;
+ }
+
+ return 0;
+}
+
+#define S_OPTS "a:A:b:D:d:f:F:hi:o:OqsS:tw:vVM"
static char usage_str[] = "\n\n" \
"-i <file> | --input=<file>\n" \
"[ -a <action field> | --act-mask=<action field> ]\n" \
@@ -2745,6 +2886,7 @@ static char usage_str[] = "\n\n" \
"[ -O | --no-text-output ]\n" \
"[ -q | --quiet ]\n" \
"[ -s | --per-program-stats ]\n" \
+ "[ -S <event> | --sort-program-stats=<event> ]\n" \
"[ -t | --track-ios ]\n" \
"[ -w <time> | --stopwatch=<time> ]\n" \
"[ -M | --no-msgs\n" \
@@ -2764,6 +2906,11 @@ static char usage_str[] = "\n\n" \
"\t-O Do NOT output text data\n" \
"\t-q Quiet. Don't display any stats at the end of the trace\n" \
"\t-s Show per-program io statistics\n" \
+ "\t-S Show per-program io statistics sorted by N/Q/q/R/r/W/w/C/c\n" \
+ "\t N:Name, Q/q:Queued(read & write), R/r:Queued Read, W/w:Queued Write, C/c:Complete.\n" \
+ "\t Sort programs by how much data(KB): Q,R,W,C.\n" \
+ "\t Sort programs by how many IO operations: q,r,w,c.\n" \
+ "\t if -S was used, the -s parameter will be ignored.\n" \
"\t-t Track individual ios. Will tell you the time a request took\n" \
"\t to get queued, to get dispatched, and to get completed\n" \
"\t-w Only parse data between the given time interval in seconds.\n" \
@@ -2830,6 +2977,11 @@ int main(int argc, char *argv[])
case 's':
per_process_stats = 1;
break;
+ case 'S':
+ per_process_stats = 1;
+ if (get_program_sort_event(optarg))
+ return 1;
+ break;
case 't':
track_ios = 1;
break;