Load data from performance profiler

Reviewed By: martinoluca

Differential Revision: D9593836

fbshipit-source-id: 923bfc1f3

infer/man/man1/infer-analyze.txt

@@ -202,6 +202,9 @@ OPTIONS
            Activates: Enable --ownership and disable all other checkers
            (Conversely: --no-ownership-only)
 
+       --perf-profiler-data-file file
+           Specify the file containing perf profiler data to read
+
        --print-active-checkers
            Activates: Print the active checkers before starting the analysis
            (Conversely: --no-print-active-checkers)

infer/man/man1/infer-full.txt

@@ -578,6 +578,10 @@ OPTIONS
            Activates: Enable --ownership and disable all other checkers
            (Conversely: --no-ownership-only)           See also infer-analyze(1).
 
+       --perf-profiler-data-file file
+           Specify the file containing perf profiler data to read       
+    See also infer-analyze(1).
+
        --pmd-xml
            Activates: Output issues in (PMD) XML format (Conversely:
            --no-pmd-xml)           See also infer-run(1).
@@ -1290,6 +1294,9 @@ INTERNAL OPTIONS
            data. When false, error traces are shorter and show only direct
            flow via souces/sinks (Conversely: --no-passthroughs)
 
+       --perf-profiler-data-file-reset
+           Cancel the effect of --perf-profiler-data-file.
+
        --precondition-stats
            Activates: Print stats about preconditions to standard output
            (Conversely: --no-precondition-stats)

infer/man/man1/infer.txt

@@ -578,6 +578,10 @@ OPTIONS
            Activates: Enable --ownership and disable all other checkers
            (Conversely: --no-ownership-only)           See also infer-analyze(1).
 
+       --perf-profiler-data-file file
+           Specify the file containing perf profiler data to read       
+    See also infer-analyze(1).
+
        --pmd-xml
            Activates: Output issues in (PMD) XML format (Conversely:
            --no-pmd-xml)           See also infer-run(1).

infer/src/atd/perf_profiler.atd

@@ -6,11 +6,18 @@
  *)
 
 type perf_profiler_item = {
-    function_name : string;
-    avg_inclusive_cpu_time_ms : float;
-    avg_exclusive_cpu_time_ms : float;
-    p90_inclusive_cpu_time_ms : float;
-    p90_exclusive_cpu_time_ms : float;
+    function_name: string;
+    count_trace_id: int; 
+    sum_inclusive_cpu_time: float;
+    avg_inclusive_cpu_time_ms: float;
+    sum_exclusive_cpu_time: float; 
+    avg_exclusive_cpu_time_ms: float;
+    p90_inclusive_cpu_time_ms: float;
+    p90_exclusive_cpu_time_ms: float;
+    p50_inclusive_cpu_time_ms: float;
+    p50_exclusive_cpu_time_ms: float;
+    p25_inclusive_cpu_time_ms: float;
+    p25_exclusive_cpu_time_ms: float;
 }
 
 type perf_profiler = perf_profiler_item list

infer/src/backend/InferPrint.ml

@@ -1062,6 +1062,12 @@ let register_perf_stats_report () =
 
 
 let main ~report_json =
+  ( if Config.loop_hoisting then
+    match Config.perf_profiler_data_file with
+    | Some fname ->
+        LoadPerfData.read_file_perf_data fname
+    | _ ->
+        () ) ;
   let issue_formats = init_issues_format_list report_json in
   let formats_by_report_kind =
     let costs_report_format_kind =

infer/src/backend/LoadPerfData.ml

@@ -0,0 +1,84 @@
+(*
+ * Copyright (c) 2018-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *)
+open! IStd
+module L = Logging
+
+module PerfProfilerDataMap = Caml.Map.Make (struct
+  type t = Typ.Procname.t
+
+  let compare = Typ.Procname.compare
+end)
+
+let global_perf_profiler_data : Perf_profiler_t.perf_profiler_item PerfProfilerDataMap.t ref =
+  ref PerfProfilerDataMap.empty
+
+
+let split_class_method_name =
+  let class_sep = String.Search_pattern.create "::" in
+  fun qualified_method_name ->
+    match String.Search_pattern.index class_sep ~in_:qualified_method_name with
+    | Some class_sep_pos ->
+        let class_name =
+          String.sub qualified_method_name ~pos:0 ~len:class_sep_pos
+          |> String.tr ~target:'/' ~replacement:'.'
+        in
+        let method_name =
+          let prefix_len = class_sep_pos + 2 in
+          String.sub qualified_method_name ~pos:prefix_len
+            ~len:(String.length qualified_method_name - prefix_len)
+        in
+        Some (class_name, method_name)
+    | _ ->
+        None
+
+
+let pp_perf_profiler_item itm =
+  let open Perf_profiler_t in
+  L.(debug Analysis Medium)
+    "@\n\n\
+    \               [Perf Profiler Log] Function: '%s'  @\n\
+    \               count trace id = %i @\n\
+    \               sum inclusive cpu time = %f@\n\
+    \               avg inclusive time = %f @\n\
+    \               sum exclusive cpu time = %f @\n\
+    \               avg exclusive_time = %f  @\n\
+    \               inclusive p90 = %f  @\n\
+    \               exclusive p90 = %f @\n\
+    \               inclusive p50 = %f  @\n\
+    \               exclusive p50 = %f @\n\
+    \               inclusive p25 = %f  @\n\
+    \               exclusive p25 = %f @\n"
+    itm.function_name itm.count_trace_id itm.sum_inclusive_cpu_time itm.avg_inclusive_cpu_time_ms
+    itm.sum_exclusive_cpu_time itm.avg_exclusive_cpu_time_ms itm.p90_inclusive_cpu_time_ms
+    itm.p90_exclusive_cpu_time_ms itm.p50_inclusive_cpu_time_ms itm.p50_exclusive_cpu_time_ms
+    itm.p25_inclusive_cpu_time_ms itm.p25_exclusive_cpu_time_ms
+
+
+let read_file_perf_data fname =
+  let perf_profiler_data_str =
+    match Utils.read_file fname with
+    | Ok l ->
+        List.map ~f:Perf_profiler_j.perf_profiler_of_string l
+    | Error error ->
+        L.user_error "Failed to read file '%s': %s@." fname error ;
+        []
+  in
+  let do_item itm =
+    pp_perf_profiler_item itm ;
+    match split_class_method_name itm.Perf_profiler_t.function_name with
+    | Some (classname, methodname) ->
+        let signature = JavaProfilerSamples.JNI.void_method_with_no_arguments in
+        L.(debug Analysis Medium)
+          "@\n          classname = %s   methodname = %s @\n" classname methodname ;
+        let procname = JavaProfilerSamples.create_procname ~classname ~methodname ~signature in
+        L.(debug Analysis Medium) "          procname= %a @\n" Typ.Procname.pp procname ;
+        global_perf_profiler_data :=
+          PerfProfilerDataMap.add procname itm !global_perf_profiler_data
+    | _ ->
+        ()
+  in
+  List.iter ~f:(fun items -> List.iter ~f:do_item items) perf_profiler_data_str

infer/src/backend/LoadPerfData.mli

@@ -0,0 +1,10 @@
+(*
+ * Copyright (c) 2018-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *)
+
+open! IStd
+
+val read_file_perf_data : string -> unit

infer/src/base/Config.ml

@@ -1493,6 +1493,12 @@ and log_file =
     ~default:"logs" "Specify the file to use for logging"
 
 
+and perf_profiler_data_file =
+  CLOpt.mk_path_opt ~long:"perf-profiler-data-file"
+    ~in_help:InferCommand.[(Analyze, manual_generic)]
+    ~meta:"file" "Specify the file containing perf profiler data to read"
+
+
 and linter =
   CLOpt.mk_string_opt ~long:"linter"
     ~in_help:InferCommand.[(Capture, manual_clang_linters)]
@@ -2726,6 +2732,8 @@ and log_events = !log_events
 
 and log_file = !log_file
 
+and perf_profiler_data_file = !perf_profiler_data_file
+
 and loop_hoisting = !loop_hoisting
 
 and max_nesting = !max_nesting

infer/src/base/Config.mli

@@ -466,6 +466,8 @@ val log_events : bool
 
 val log_file : string
 
+val perf_profiler_data_file : string option
+
 val loop_hoisting : bool
 
 val max_nesting : int option

infer/src/bufferoverrun/itv.ml

@@ -385,7 +385,6 @@ module NonNegativePolynomial = struct
   let top_lifted_increasing ~f p1 p2 =
     match (p1, p2) with Top, _ | _, Top -> Top | NonTop p1, NonTop p2 -> NonTop (f p1 p2)
 
-
   let plus = top_lifted_increasing ~f:NonNegativeNonTopPolynomial.plus
 
   let mult = top_lifted_increasing ~f:NonNegativeNonTopPolynomial.mult

infer/src/unit/PerfProfilerATDParserTest.ml

@@ -15,12 +15,31 @@ let test_parser =
   in
   [ ("test_parser_1", "[]", [])
   ; ( "test_parser_2"
-    , {|[{"function_name":"pkg/cls::\u003Cclinit>","avg_inclusive_cpu_time_ms":123.01234567899,"avg_exclusive_cpu_time_ms":9.8765432123456,"p90_inclusive_cpu_time_ms":1.012,"p90_exclusive_cpu_time_ms":3.14159}]|}
+    , {|[{"function_name":"pkg/cls::\u003Cclinit>",
+         "count_trace_id": 2,
+         "sum_inclusive_cpu_time": 34.4324324,
+          "avg_inclusive_cpu_time_ms":123.01234567899,
+          "sum_exclusive_cpu_time": 17.4543543,
+          "avg_exclusive_cpu_time_ms":9.8765432123456,
+          "p90_inclusive_cpu_time_ms":1.0,
+          "p90_exclusive_cpu_time_ms":1.15,          
+          "p50_inclusive_cpu_time_ms": 1.1,
+    "p50_exclusive_cpu_time_ms": 1.2,
+    "p25_inclusive_cpu_time_ms": 1.3,
+    "p25_exclusive_cpu_time_ms": 1.4          
+          }]|}
     , [ { Perf_profiler_t.function_name= "pkg/cls::<clinit>"
+        ; count_trace_id= 2
+        ; sum_inclusive_cpu_time= 34.4324324
         ; avg_inclusive_cpu_time_ms= 123.01234567899
+        ; sum_exclusive_cpu_time= 17.4543543
         ; avg_exclusive_cpu_time_ms= 9.8765432123456
-        ; p90_inclusive_cpu_time_ms= 1.012
-        ; p90_exclusive_cpu_time_ms= 3.14159 } ] ) ]
+        ; p90_inclusive_cpu_time_ms= 1.0
+        ; p90_exclusive_cpu_time_ms= 1.15
+        ; p50_inclusive_cpu_time_ms= 1.1
+        ; p50_exclusive_cpu_time_ms= 1.2
+        ; p25_inclusive_cpu_time_ms= 1.3
+        ; p25_exclusive_cpu_time_ms= 1.4 } ] ) ]
   |> List.map ~f:(fun (name, test_input, expected_output) ->
          name >:: create_test test_input expected_output )