Merge pull request #263 from caringi/fix_man_page_issues

Fix random small typos and mistakes in man pages

man/man8/biolatency.8

@@ -21,7 +21,7 @@ CONFIG_BPF and bpftrace.
 .TP
 Trace block device I/O (disk I/O), and print a latency histogram on Ctrl-C:
 #
-.B biolatency
+.B biolatency.bt
 .SH FIELDS
 .TP
 1st, 2nd
@@ -31,7 +31,7 @@ This is a range of latency, in microseconds (shown in "[...)" set notation).
 A column showing the count of operations in this range.
 .TP
 4th
-This is an ASCII histogram representing the count colimn.
+This is an ASCII histogram representing the count column.
 .SH OVERHEAD
 Since block device I/O usually has a relatively low frequency (< 10,000/s),
 the overhead for this tool is expected to be negligible. For high IOPS storage

man/man8/biosnoop.8

@@ -26,10 +26,10 @@ TIME
 Time of the I/O completion, in milliseconds since program start.
 .TP
 COMM
-Issuing process name. This often identifies the issuing applicaion process, but I/O may be initiated from kernel threads only.
+Issuing process name. This often identifies the issuing application process, but I/O may be initiated from kernel threads only.
 .TP
 PID
-Issuing process ID. This often identifies the issuing applicaion process, but I/O may be initiated from kernel threads only.
+Issuing process ID. This often identifies the issuing application process, but I/O may be initiated from kernel threads only.
 .TP
 ARGS
 Process name and arguments (16 word maximum).

man/man8/bitesize.8

@@ -30,7 +30,7 @@ This is a range of I/O sizes, in Kbytes (shown in "[...)" set notation).
 A column showing the count of I/O in this range.
 .TP
 4th
-This is an ASCII histogram representing the count colimn.
+This is an ASCII histogram representing the count column.
 .SH OVERHEAD
 Since block device I/O usually has a relatively low frequency (< 10,000/s),
 the overhead for this tool is expected to be low or negligible. For high IOPS

man/man8/capable.8

@@ -15,7 +15,7 @@ CONFIG_BPF, bpftrace.
 .TP
 Trace all capability checks system-wide:
 #
-.B capable
+.B capable.bt
 .SH FIELDS
 .TP
 TIME(s)

man/man8/cpuwalk.8

@@ -16,7 +16,7 @@ CONFIG_BPF and bpftrace.
 .TP
 Sample CPUs and print a summary on Ctrl-C:
 #
-.B cpuwalk
+.B cpuwalk.bt
 .SH FIELDS
 .TP
 1st, 2nd
@@ -26,7 +26,7 @@ The CPU is shown in the first field, after the "[". Disregard the second field.
 A column showing the number of samples for this CPU.
 .TP
 4th
-This is an ASCII histogram representing the count colimn.
+This is an ASCII histogram representing the count column.
 .SH OVERHEAD
 This should be negligible.
 .SH SOURCE

man/man8/dcsnoop.8

@@ -21,7 +21,7 @@ CONFIG_BPF and bcc.
 .TP
 Trace all dcache lookups:
 #
-.B dcsnoop
+.B dcsnoop.bt
 .SH FIELDS
 .TP
 TIME(ms)

man/man8/execsnoop.8

 .TH execsnoop 8  "2018-09-11" "USER COMMANDS"
 .SH NAME
-execsnoop.bt \- Trace signals issued by the kill() syscall. Uses bpftrace/eBPF.
+execsnoop.bt \- Trace new processes via exec() syscalls. Uses bpftrace/eBPF.
 .SH SYNOPSIS
 .B execsnoop.bt
 .SH DESCRIPTION

man/man8/loads.8

@@ -15,19 +15,19 @@ CONFIG_BPF and bpftrace.
 .TP
 Print system load averages every second:
 #
-.B loads
+.B loads.bt
 .SH FIELDS
 .TP
 HH:MM:SS
 Each output line includes time of printing in "HH:MM:SS" format.
 .TP
 load averages:
-These are exponentially-damped moving sum averages of the system loads. 
+These are exponentially-damped moving sum averages of the system loads.
 Load is a measurement of demand on system resources, which include CPUs and
 other resources that are accessed with the kernel in an uninterruptible state
-(TASK_UNINTERRUPTIBLE), which includes types of disk I/O and lock accessses.
+(TASK_UNINTERRUPTIBLE), which includes types of disk I/O and lock accesses.
 Linux load averages originally reflected CPU demand only, as it does in other
-OSes, but this was changed in Linux 0.99.14. This demand meseasurement reflects
+OSes, but this was changed in Linux 0.99.14. This demand measurement reflects
 not just the utilized resource, but also the queued demand (a saturation
 measurement). Finally, the three numbers are called the "one-", "five-", and
 "fifteen-minute" load averages, however these times are constants used in the

man/man8/opensnoop.8

@@ -9,7 +9,7 @@ to open which files. This can be useful for determining the location of config
 and log files, or for troubleshooting applications that are failing, specially
 on startup.
 
-This works by tracing the open() sysscall tracepoint.
+This works by tracing the open() syscall tracepoint.
 
 Since this uses BPF, only the root user can use this tool.
 .SH REQUIREMENTS

man/man8/runqlat.8

@@ -18,17 +18,17 @@ CONFIG_BPF and bpftrace.
 .TP
 Trace CPU run queue latency system wide, printing a histogram on Ctrl-C:
 #
-.B runqlat
+.B runqlat.bt
 .SH FIELDS
 .TP
 1st, 2nd
 This is a range of latency, in microseconds (shown in "[...)" set notation).
 .TP
 3rd
-A column showing the count of scheduler veents in this range.
+A column showing the count of scheduler events in this range.
 .TP
 4th
-This is an ASCII histogram representing the count colimn.
+This is an ASCII histogram representing the count column.
 .SH OVERHEAD
 This traces scheduler functions, which can become very frequent. While eBPF
 has very low overhead, and this tool uses in-kernel maps for efficiency, the

man/man8/runqlen.8

@@ -28,7 +28,7 @@ The run queue length is shown in the first field (after "[").
 A column showing the count of samples in for that length.
 .TP
 4th
-This is an ASCII histogram representing the count colimn.
+This is an ASCII histogram representing the count column.
 .SH OVERHEAD
 This samples scheduler structs at 99 Hertz across all CPUs. Relatively,
 this is a low rate of events, and the overhead of this tool is expected

man/man8/statsnoop.8

@@ -9,7 +9,7 @@ to stat which files. This can be useful for determining the location of config
 and log files, or for troubleshooting applications that are failing, specially
 on startup.
 
-This traces the traecepoints for statfs(), statx(), newstat(), and
+This traces the tracepoints for statfs(), statx(), newstat(), and
 newlstat(). These aren't the only the stat syscalls: if you are missing
 activity, you may need to add more variants.
 

man/man8/writeback.8

@@ -7,7 +7,7 @@ writeback.bt \- Trace file system writeback events with details. Uses bpftrace/e
 This traces when file system dirtied pages are flushed to disk by kernel
 writeback, and prints details including when the event occurred, and the
 duration of the event. This can be useful for correlating these times with
-other performace problems, and if there is a match, it would be a clue
+other performance problems, and if there is a match, it would be a clue
 that the problem may be caused by writeback. How quickly the kernel does
 writeback can be tuned: see the kernel docs, eg,
 vm.dirty_writeback_centisecs.

man/man8/xfsdist.8

@@ -18,7 +18,7 @@ CONFIG_BPF and bpftrace.
 .TP
 Trace XFS operation time, and print a summary on Ctrl-C:
 #
-.B xfsdist
+.B xfsdist.bt
 .SH FIELDS
 .TP
 0th
@@ -31,7 +31,7 @@ This is a range of latency, in microseconds (shown in "[...)" set notation).
 A column showing the count of operations in this range.
 .TP
 4th
-This is an ASCII histogram representing the count colimn.
+This is an ASCII histogram representing the count column.
 .SH OVERHEAD
 This adds low-overhead instrumentation to these XFS operations,
 including reads and writes from the file system cache. Such reads and writes