| ... | ... | @@ -9,6 +9,7 @@ var pid: std.os.linux.pid_t = undefined; |
| 9 | 9 | threadlocal var tid: std.os.linux.pid_t = undefined; |
| 10 | 10 | threadlocal var path: []const u8 = undefined; |
| 11 | 11 | threadlocal var file: std.fs.File = undefined; |
| 12 | threadlocal var buffered_writer: std.io.BufferedWriter(4096, std.fs.File.Writer) = undefined; |
| 12 | 13 | |
| 13 | 14 | pub fn init() !void { |
| 14 | 15 | pid = std.os.linux.getpid(); |
| ... | ... | @@ -23,19 +24,22 @@ pub fn init2() !void { |
| 23 | 24 | |
| 24 | 25 | path = try std.fmt.allocPrint(alloc, "/data/trace.{d}.{d}.spall.jsonl", .{ pid, tid }); |
| 25 | 26 | file = try std.fs.cwd().createFile(path, .{}); |
| 26 | | try file.writer().writeAll("[\n"); |
| 27 | buffered_writer = std.io.bufferedWriter(file.writer()); |
| 28 | |
| 29 | try buffered_writer.writer().writeAll("[\n"); |
| 27 | 30 | } |
| 28 | 31 | |
| 29 | 32 | pub fn deinit2() void { |
| 30 | 33 | defer alloc.free(path); |
| 31 | 34 | defer file.close(); |
| 32 | 35 | |
| 33 | | file.writer().writeAll("]\n") catch {}; |
| 36 | buffered_writer.writer().writeAll("]\n") catch {}; |
| 37 | buffered_writer.flush() catch {}; |
| 34 | 38 | log.debug("{s}", .{path}); |
| 35 | 39 | } |
| 36 | 40 | |
| 37 | 41 | pub inline fn trace_begin(ctx: tracer.Ctx) void { |
| 38 | | file.writer().print( |
| 42 | buffered_writer.writer().print( |
| 39 | 43 | \\{{"cat":"function", "name":"{s}:{d}:{d} ({s})", "ph": "B", "pid": {d}, "tid": {d}, "ts": {d}}}, |
| 40 | 44 | \\ |
| 41 | 45 | , |
| ... | ... | @@ -53,7 +57,7 @@ pub inline fn trace_begin(ctx: tracer.Ctx) void { |
| 53 | 57 | |
| 54 | 58 | pub inline fn trace_end(ctx: tracer.Ctx) void { |
| 55 | 59 | _ = ctx; |
| 56 | | file.writer().print( |
| 60 | buffered_writer.writer().print( |
| 57 | 61 | \\{{"cat":"function", "ph": "E", "pid": {d}, "tid": {d}, "ts": {d}}}, |
| 58 | 62 | \\ |
| 59 | 63 | , |
Meghan Denny <hello@nektro.net> 2023-09-20 19:30:52 -07:00