diff for duplicates of <20160922194252.GA2441@redhat.com>

diff --git a/a/1.txt b/N1/1.txt
index 67452ee..6b80144 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -1,7 +1,7 @@
 Em Thu, Sep 22, 2016 at 01:23:04PM -0500, Paul Clarke escreveu:
 > On 09/22/2016 12:50 PM, Vineet Gupta wrote:
 > >On 09/22/2016 12:56 AM, Peter Zijlstra wrote:
-> >>On Wed, Sep 21, 2016 at 07:43:28PM -0500, Paul Clarke wrote:
+> >>On Wed, Sep 21, 2016@07:43:28PM -0500, Paul Clarke wrote:
 > >>>On 09/20/2016 03:56 PM, Vineet Gupta wrote:
 > >>>>On 09/01/2016 01:33 AM, Peter Zijlstra wrote:
 > >>>>>>- is that what perf event grouping is ?
@@ -61,7 +61,7 @@ So, getting this machine as an example:
 [    0.067781] ... event mask:             000000070000000f
 [    0.068694] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
 
-[root@zoo ~]# perf stat -e '{branch-instructions,branch-misses,bus-cycles,cache-misses}' ls a
+[root at zoo ~]# perf stat -e '{branch-instructions,branch-misses,bus-cycles,cache-misses}' ls a
 ls: cannot access 'a': No such file or directory
 
  Performance counter stats for 'ls a':
@@ -73,7 +73,7 @@ ls: cannot access 'a': No such file or directory
 
        0.003624967 seconds time elapsed
 
-[root@zoo ~]# perf stat -e '{branch-instructions,branch-misses,bus-cycles,cache-misses,cpu-cycles}' ls a
+[root at zoo ~]# perf stat -e '{branch-instructions,branch-misses,bus-cycles,cache-misses,cpu-cycles}' ls a
 ls: cannot access 'a': No such file or directory
 
  Performance counter stats for 'ls a':
@@ -86,13 +86,13 @@ ls: cannot access 'a': No such file or directory
 
        0.003659678 seconds time elapsed
 
-[root@zoo ~]#
+[root at zoo ~]#
 
 That was as a group, i.e. those {} enclosing it, if you run it with -vv, among
 other things you'll see the "group_fd" parameter to the sys_perf_event_open
 syscall:
 
-[root@zoo ~]# perf stat -vv -e '{branch-instructions,branch-misses,bus-cycles,cache-misses,cpu-cycles}' ls a
+[root at zoo ~]# perf stat -vv -e '{branch-instructions,branch-misses,bus-cycles,cache-misses,cpu-cycles}' ls a
 sys_perf_event_open: pid 28581  cpu -1  group_fd -1  flags 0x8
 sys_perf_event_open: pid 28581  cpu -1  group_fd 3  flags 0x8
 sys_perf_event_open: pid 28581  cpu -1  group_fd 3  flags 0x8
@@ -110,7 +110,7 @@ ls: cannot access 'a': No such file or directory
 
        0.002883209 seconds time elapsed
 
-[root@zoo ~]#
+[root at zoo ~]#
 
 So, the first one passes -1, to create the group, the fd it returns is '3',
 that is used as group_fd for the other events in that group.
@@ -124,7 +124,7 @@ If we remove that {}, i.e. say, no need to enable all those counters _at the
 same time_, multiplex them _in the same task_ to be able to measure them all
 to some degree, it "works":
 
-[root@zoo ~]# perf stat -vv -e 'branch-instructions,branch-misses,bus-cycles,cache-misses,cpu-cycles' ls a
+[root at zoo ~]# perf stat -vv -e 'branch-instructions,branch-misses,bus-cycles,cache-misses,cpu-cycles' ls a
 perf_event_attr: (For the first event:)
   config                           0x4
   read_format                      TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING
@@ -144,7 +144,7 @@ sys_perf_event_open: pid 28594  cpu -1  group_fd -1  flags 0x8
 
        0.003026840 seconds time elapsed
 
-[root@zoo ~]#
+[root at zoo ~]#
 
 See the read_format? Those percentages? the group_fd = -1?
 
@@ -158,13 +158,13 @@ Its this part of 'man perf_event_open':
   The  group_fd  argument  allows  event groups to be created.  An event group
 has one event which is the group leader.  The leader is created first, with
 group_fd = -1.  The rest of the group members are created with subsequent
-perf_event_open() calls with group_fd being set to the file descrip‐ tor  of
+perf_event_open() calls with group_fd being set to the file descrip? tor  of
 the group leader.  (A single event on its own is created with group_fd = -1 and
 is considered to be a group with only 1 member.)  An event group is scheduled
 onto the CPU as a unit: it will be put onto the CPU only if all of the events
 in the group can be put onto the CPU.  This  means that  the  values  of  the
-member  events  can be meaningfully compared—added, divided (to get ratios),
-and so on—with each other, since they have counted events for the same set of
+member  events  can be meaningfully compared?added, divided (to get ratios),
+and so on?with each other, since they have counted events for the same set of
 executed instructions.
 
 - Arnaldo
@@ -185,8 +185,3 @@ There is multiplexing if group_fd is set to -1 in all events.
 Not if group_fd is set to a group leader.
  
 > PC
-
-_______________________________________________
-linux-snps-arc mailing list
-linux-snps-arc@lists.infradead.org
-http://lists.infradead.org/mailman/listinfo/linux-snps-arc
diff --git a/a/content_digest b/N1/content_digest
index d06bc66..c75ce54 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -7,24 +7,16 @@
  "ref\020160922075603.GW5008@twins.programming.kicks-ass.net\0"
  "ref\0b15fc87b-c846-fdb5-ef6a-48fc2d797917@synopsys.com\0"
  "ref\04351119f-b212-5039-9a3d-f568f6893b36@us.ibm.com\0"
- "From\0Arnaldo Carvalho de Melo <acme@redhat.com>\0"
- "Subject\0Re: perf event grouping for dummies (was Re: [PATCH] arc: perf: Enable generic \"cache-references\" and \"cache-misses\" events)\0"
+ "From\0acme@redhat.com (Arnaldo Carvalho de Melo)\0"
+ "Subject\0perf event grouping for dummies (was Re: [PATCH] arc: perf: Enable generic \"cache-references\" and \"cache-misses\" events)\0"
  "Date\0Thu, 22 Sep 2016 16:42:52 -0300\0"
- "To\0Paul Clarke <pc@us.ibm.com>\0"
- "Cc\0Peter Zijlstra <peterz@infradead.org>"
-  Vineet Gupta <Vineet.Gupta1@synopsys.com>
-  Alexey Brodkin <Alexey.Brodkin@synopsys.com>
-  Will Deacon <Will.Deacon@arm.com>
-  linux-kernel@vger.kernel.org <linux-kernel@vger.kernel.org>
-  linux-perf-users@vger.kernel.org <linux-perf-users@vger.kernel.org>
-  linux-snps-arc@lists.infradead.org <linux-snps-arc@lists.infradead.org>
- " Jiri Olsa <jolsa@redhat.com>\0"
+ "To\0linux-snps-arc@lists.infradead.org\0"
  "\00:1\0"
  "b\0"
  "Em Thu, Sep 22, 2016 at 01:23:04PM -0500, Paul Clarke escreveu:\n"
  "> On 09/22/2016 12:50 PM, Vineet Gupta wrote:\n"
  "> >On 09/22/2016 12:56 AM, Peter Zijlstra wrote:\n"
- "> >>On Wed, Sep 21, 2016 at 07:43:28PM -0500, Paul Clarke wrote:\n"
+ "> >>On Wed, Sep 21, 2016@07:43:28PM -0500, Paul Clarke wrote:\n"
  "> >>>On 09/20/2016 03:56 PM, Vineet Gupta wrote:\n"
  "> >>>>On 09/01/2016 01:33 AM, Peter Zijlstra wrote:\n"
  "> >>>>>>- is that what perf event grouping is ?\n"
@@ -84,7 +76,7 @@
  "[    0.067781] ... event mask:             000000070000000f\n"
  "[    0.068694] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.\n"
  "\n"
- "[root@zoo ~]# perf stat -e '{branch-instructions,branch-misses,bus-cycles,cache-misses}' ls a\n"
+ "[root at zoo ~]# perf stat -e '{branch-instructions,branch-misses,bus-cycles,cache-misses}' ls a\n"
  "ls: cannot access 'a': No such file or directory\n"
  "\n"
  " Performance counter stats for 'ls a':\n"
@@ -96,7 +88,7 @@
  "\n"
  "       0.003624967 seconds time elapsed\n"
  "\n"
- "[root@zoo ~]# perf stat -e '{branch-instructions,branch-misses,bus-cycles,cache-misses,cpu-cycles}' ls a\n"
+ "[root at zoo ~]# perf stat -e '{branch-instructions,branch-misses,bus-cycles,cache-misses,cpu-cycles}' ls a\n"
  "ls: cannot access 'a': No such file or directory\n"
  "\n"
  " Performance counter stats for 'ls a':\n"
@@ -109,13 +101,13 @@
  "\n"
  "       0.003659678 seconds time elapsed\n"
  "\n"
- "[root@zoo ~]#\n"
+ "[root at zoo ~]#\n"
  "\n"
  "That was as a group, i.e. those {} enclosing it, if you run it with -vv, among\n"
  "other things you'll see the \"group_fd\" parameter to the sys_perf_event_open\n"
  "syscall:\n"
  "\n"
- "[root@zoo ~]# perf stat -vv -e '{branch-instructions,branch-misses,bus-cycles,cache-misses,cpu-cycles}' ls a\n"
+ "[root at zoo ~]# perf stat -vv -e '{branch-instructions,branch-misses,bus-cycles,cache-misses,cpu-cycles}' ls a\n"
  "sys_perf_event_open: pid 28581  cpu -1  group_fd -1  flags 0x8\n"
  "sys_perf_event_open: pid 28581  cpu -1  group_fd 3  flags 0x8\n"
  "sys_perf_event_open: pid 28581  cpu -1  group_fd 3  flags 0x8\n"
@@ -133,7 +125,7 @@
  "\n"
  "       0.002883209 seconds time elapsed\n"
  "\n"
- "[root@zoo ~]#\n"
+ "[root at zoo ~]#\n"
  "\n"
  "So, the first one passes -1, to create the group, the fd it returns is '3',\n"
  "that is used as group_fd for the other events in that group.\n"
@@ -147,7 +139,7 @@
  "same time_, multiplex them _in the same task_ to be able to measure them all\n"
  "to some degree, it \"works\":\n"
  "\n"
- "[root@zoo ~]# perf stat -vv -e 'branch-instructions,branch-misses,bus-cycles,cache-misses,cpu-cycles' ls a\n"
+ "[root at zoo ~]# perf stat -vv -e 'branch-instructions,branch-misses,bus-cycles,cache-misses,cpu-cycles' ls a\n"
  "perf_event_attr: (For the first event:)\n"
  "  config                           0x4\n"
  "  read_format                      TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING\n"
@@ -167,7 +159,7 @@
  "\n"
  "       0.003026840 seconds time elapsed\n"
  "\n"
- "[root@zoo ~]#\n"
+ "[root at zoo ~]#\n"
  "\n"
  "See the read_format? Those percentages? the group_fd = -1?\n"
  "\n"
@@ -181,13 +173,13 @@
  "  The  group_fd  argument  allows  event groups to be created.  An event group\n"
  "has one event which is the group leader.  The leader is created first, with\n"
  "group_fd = -1.  The rest of the group members are created with subsequent\n"
- "perf_event_open() calls with group_fd being set to the file descrip\342\200\220 tor  of\n"
+ "perf_event_open() calls with group_fd being set to the file descrip? tor  of\n"
  "the group leader.  (A single event on its own is created with group_fd = -1 and\n"
  "is considered to be a group with only 1 member.)  An event group is scheduled\n"
  "onto the CPU as a unit: it will be put onto the CPU only if all of the events\n"
  "in the group can be put onto the CPU.  This  means that  the  values  of  the\n"
- "member  events  can be meaningfully compared\342\200\224added, divided (to get ratios),\n"
- "and so on\342\200\224with each other, since they have counted events for the same set of\n"
+ "member  events  can be meaningfully compared?added, divided (to get ratios),\n"
+ "and so on?with each other, since they have counted events for the same set of\n"
  "executed instructions.\n"
  "\n"
  "- Arnaldo\n"
@@ -207,11 +199,6 @@
  "\n"
  "Not if group_fd is set to a group leader.\n"
  " \n"
- "> PC\n"
- "\n"
- "_______________________________________________\n"
- "linux-snps-arc mailing list\n"
- "linux-snps-arc@lists.infradead.org\n"
- http://lists.infradead.org/mailman/listinfo/linux-snps-arc
+ > PC
 
-fde19e49b8dad1b21a61e6b817e3e6e803befcaa2cc3a487aaf67a705a38787d
+087ee86c031a9029f57ea09573d18264bcd22896fcc20cb078c25ce48fb3f6aa
