74.077 █████ 2
```
+#### I/O latency top
+```bash
+$ ./lttng-iolatencytop analysis-20150115-120942/ --limit 3 --minsize 2
+Checking the trace for lost events...
+Timerange: [2015-01-15 12:18:37.216484041, 2015-01-15 12:18:53.821580313]
+Top open syscall latencies (usec)
+Begin End Name Duration (usec) Size Proc PID Filename
+[12:18:50.432950815,12:18:50.870648568] open 437697.753 N/A apache2 31517 /var/lib/php5/sess_0ifir2hangm8ggaljdphl9o5b5 (fd=13)
+[12:18:52.946080165,12:18:52.946132278] open 52.113 N/A apache2 31588 /var/lib/php5/sess_mr9045p1k55vin1h0vg7rhgd63 (fd=13)
+[12:18:46.800846035,12:18:46.800874916] open 28.881 N/A apache2 31591 /var/lib/php5/sess_r7c12pccfvjtas15g3j69u14h0 (fd=13)
+[12:18:51.389797604,12:18:51.389824426] open 26.822 N/A apache2 31520 /var/lib/php5/sess_4sdb1rtjkhb78sabnoj8gpbl00 (fd=13)
+
+Top read syscall latencies (usec)
+Begin End Name Duration (usec) Size Proc PID Filename
+[12:18:37.256073107,12:18:37.256555967] read 482.860 7.00 B bash 10237 unknown (origin not found) (fd=3)
+[12:18:52.000209798,12:18:52.000252304] read 42.506 1.00 KB irqbalance 1337 /proc/interrupts (fd=3)
+[12:18:37.256559439,12:18:37.256601615] read 42.176 5.00 B bash 10237 unknown (origin not found) (fd=3)
+[12:18:42.000281918,12:18:42.000320016] read 38.098 1.00 KB irqbalance 1337 /proc/interrupts (fd=3)
+
+Top write syscall latencies (usec)
+Begin End Name Duration (usec) Size Proc PID Filename
+[12:18:49.913241516,12:18:49.915908862] write 2667.346 95.00 B apache2 31584 /var/log/apache2/access.log (fd=8)
+[12:18:37.472823631,12:18:37.472859836] writev 36.205 21.97 KB apache2 31544 unknown (origin not found) (fd=12)
+[12:18:37.991578372,12:18:37.991612724] writev 34.352 21.97 KB apache2 31589 unknown (origin not found) (fd=12)
+[12:18:39.547778549,12:18:39.547812515] writev 33.966 21.97 KB apache2 31584 unknown (origin not found) (fd=12)
+
+Top sync syscall latencies (usec)
+Begin End Name Duration (usec) Size Proc PID Filename
+[12:18:50.162776739,12:18:51.157522361] sync 994745.622 N/A sync 22791 None (fd=None)
+[12:18:37.227867532,12:18:37.232289687] sync_file_range 4422.155 N/A lttng-consumerd 19964 /home/julien/lttng-traces/analysis-20150115-120942/kernel/metadata (fd=32)
+[12:18:37.238076585,12:18:37.239012027] sync_file_range 935.442 N/A lttng-consumerd 19964 /home/julien/lttng-traces/analysis-20150115-120942/kernel/metadata (fd=32)
+[12:18:37.220974711,12:18:37.221647124] sync_file_range 672.413 N/A lttng-consumerd 19964 /home/julien/lttng-traces/analysis-20150115-120942/kernel/metadata (fd=32)
+```
+
#### I/O operations log
```bash
$ ./lttng-iolog mytrace/