perf evlist: Remove group option.

The group option predates grouping events using curly braces added in
commit 89efb029502d7f2d ("perf tools: Add support to parse event group
syntax").

The --group option was retained for legacy support (in August
2012) but keeping it adds complexity.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Eelco Chaudron <echaudro@redhat.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Kim Phillips <kim.phillips@amd.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Sandipan Das <sandipan.das@amd.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Shaomin Deng <dengshaomin@cdjrlc.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Timothy Hayes <timothy.hayes@arm.com>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20221213232651.1269909-6-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

3 files changed, 0 insertions, 41 deletions

diff --git a/tools/perf/tests/attr/README b/tools/perf/tests/attr/README
index eb3f7d4bb324..4066fec7180a 100644
--- a/tools/perf/tests/attr/README
+++ b/tools/perf/tests/attr/README
@@ -49,7 +49,6 @@ Following tests are defined (with perf commands):
   perf record --call-graph dwarf kill		(test-record-graph-dwarf)
   perf record --call-graph fp kill              (test-record-graph-fp)
   perf record --call-graph fp kill              (test-record-graph-fp-aarch64)
-  perf record --group -e cycles,instructions kill (test-record-group)
   perf record -e '{cycles,instructions}' kill   (test-record-group1)
   perf record -e '{cycles/period=1/,instructions/period=2/}:S' kill (test-record-group2)
   perf record -D kill                           (test-record-no-delay)
@@ -66,6 +65,5 @@ Following tests are defined (with perf commands):
   perf stat -d kill                             (test-stat-detailed-1)
   perf stat -dd kill                            (test-stat-detailed-2)
   perf stat -ddd kill                           (test-stat-detailed-3)
-  perf stat --group -e cycles,instructions kill (test-stat-group)
   perf stat -e '{cycles,instructions}' kill     (test-stat-group1)
   perf stat -i -e cycles kill                   (test-stat-no-inherit)
diff --git a/tools/perf/tests/attr/test-record-group b/tools/perf/tests/attr/test-record-group
deleted file mode 100644
index 6c1cff8aae8b..000000000000
--- a/tools/perf/tests/attr/test-record-group
+++ /dev/null
@@ -1,22 +0,0 @@
-[config]
-command = record
-args    = --no-bpf-event --group -e cycles,instructions kill >/dev/null 2>&1
-ret     = 1
-
-[event-1:base-record]
-fd=1
-group_fd=-1
-sample_type=327
-read_format=4|20
-
-[event-2:base-record]
-fd=2
-group_fd=1
-config=1
-sample_type=327
-read_format=4|20
-mmap=0
-comm=0
-task=0
-enable_on_exec=0
-disabled=0
diff --git a/tools/perf/tests/attr/test-stat-group b/tools/perf/tests/attr/test-stat-group
deleted file mode 100644
index e15d6946e9b3..000000000000
--- a/tools/perf/tests/attr/test-stat-group
+++ /dev/null
@@ -1,17 +0,0 @@
-[config]
-command = stat
-args    = --group -e cycles,instructions kill >/dev/null 2>&1
-ret     = 1
-
-[event-1:base-stat]
-fd=1
-group_fd=-1
-read_format=3|15
-
-[event-2:base-stat]
-fd=2
-group_fd=1
-config=1
-disabled=0
-enable_on_exec=0
-read_format=3|15