tiny.memtrace.Context

1pub const Context = struct {2    tracer: ?*tracer_mod.Tracer = null,3    census: ?*census_mod.Census = null,4    intervals: ?IntervalSink = null,56    pub fn init(tracer: ?*tracer_mod.Tracer, census: ?*census_mod.Census) Context {7        return .{8            .tracer = tracer,9            .census = census,10        };11    }1213    pub fn disabled() Context {14        return .{};15    }1617    pub fn tracesAllocations(self: Context) bool {18        return self.tracer != null;19    }2021    pub fn recordsCensus(self: Context) bool {22        return self.census != null;23    }2425    pub fn enabled(self: Context) bool {26        return self.tracesAllocations() or self.recordsCensus() or27            self.intervals != null;28    }2930    pub fn withIntervals(self: Context, intervals: ?IntervalSink) Context {31        var result = self;32        result.intervals = intervals;33        return result;34    }3536    pub fn enter(self: Context, label: []const u8) !Span {37        const actual = self.tracer orelse return .{};38        return .{ .scope = try actual.enter(label) };39    }4041    pub fn enterInterval(self: Context, category: u8) IntervalSpan {42        const sink = self.intervals orelse return .{};43        const token = sink.begin(category);44        if (token == IntervalSink.invalid_token) return .{};45        return .{ .sink = sink, .token = token };46    }4748    pub fn record(self: Context, label: []const u8, bytes: usize) !void {49        const actual = self.census orelse return;50        try actual.record(label, bytes);51    }5253    pub fn recordPrefixed(self: Context, prefix: []const u8, label: []const u8, bytes: usize) !void {54        const actual = self.census orelse return;55        try actual.recordPrefixed(prefix, label, bytes);56    }5758    pub fn recordCount(self: Context, label: []const u8, count: usize, bytes: usize) !void {59        const actual = self.census orelse return;60        try actual.recordCount(label, count, bytes);61    }6263    pub fn recordCountPrefixed(self: Context, prefix: []const u8, label: []const u8, count: usize, bytes: usize) !void {64        const actual = self.census orelse return;65        try actual.recordCountPrefixed(prefix, label, count, bytes);66    }67};

1pub const Context = context_mod.Context;