Make span duration rendering optional and turn it off by default

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "tracing-tree"
-version = "0.3.1"
+version = "0.4.0"
 authors = ["David Barsky <me@davidbarsky.com>", "Nathan Whitaker", "Oli Scherer <tracing-tree@oli-obk.de>"]
 edition = "2018"
 license = "MIT OR Apache-2.0"

examples/basic.stdout

@@ -1,41 +1,41 @@
 1:main┐basic::hierarchical-example version=0.1
 1:main└┐basic::hierarchical-example version=0.1
 1:main └┐basic::server host="localhost", port=8080
-1:main  ├─  Xms INFO basic starting
-1:main  ├─  Xs  INFO basic listening
+1:main  ├─ INFO basic starting
+1:main  ├─ INFO basic listening
 1:main  └┐basic::server host="localhost", port=8080
 1:main   └┐basic::conn peer_addr="82.9.9.9", port=42381
-1:main    ├─  Xms DEBUG basic connected
-1:main    ├─  Xms DEBUG basic message received, length=2
+1:main    ├─ DEBUG basic connected
+1:main    ├─ DEBUG basic message received, length=2
 1:main   ┌┘basic::conn peer_addr="82.9.9.9", port=42381
 1:main  ┌┘basic::server host="localhost", port=8080
 1:main  └┐basic::server host="localhost", port=8080
 1:main   └┐basic::conn peer_addr="8.8.8.8", port=18230
-1:main    ├─  Xms DEBUG basic connected
+1:main    ├─ DEBUG basic connected
 1:main   ┌┘basic::conn peer_addr="8.8.8.8", port=18230
 1:main  ┌┘basic::server host="localhost", port=8080
 1:main  └┐basic::server host="localhost", port=8080
 1:main   └┐basic::foomp 42 <- format string, normal_var=43
-1:main    ├─  Xms ERROR basic hello
+1:main    ├─ ERROR basic hello
 1:main   ┌┘basic::foomp 42 <- format string, normal_var=43
 1:main  ┌┘basic::server host="localhost", port=8080
 1:main  └┐basic::server host="localhost", port=8080
 1:main   └┐basic::conn peer_addr="82.9.9.9", port=42381
-1:main    ├─  Xms WARN basic weak encryption requested, algo="xor"
-1:main    ├─  Xms DEBUG basic response sent, length=8
-1:main    ├─  Xms DEBUG basic disconnected
+1:main    ├─ WARN basic weak encryption requested, algo="xor"
+1:main    ├─ DEBUG basic response sent, length=8
+1:main    ├─ DEBUG basic disconnected
 1:main   ┌┘basic::conn peer_addr="82.9.9.9", port=42381
 1:main  ┌┘basic::server host="localhost", port=8080
 1:main  └┐basic::server host="localhost", port=8080
 1:main   └┐basic::conn peer_addr="8.8.8.8", port=18230
-1:main    ├─  Xms DEBUG basic message received, length=5
-1:main    ├─  Xms DEBUG basic response sent, length=8
-1:main    ├─  Xms DEBUG basic disconnected
+1:main    ├─ DEBUG basic message received, length=5
+1:main    ├─ DEBUG basic response sent, length=8
+1:main    ├─ DEBUG basic disconnected
 1:main   ┌┘basic::conn peer_addr="8.8.8.8", port=18230
 1:main  ┌┘basic::server host="localhost", port=8080
-1:main  ├─  Xs  WARN basic internal error
-1:main  ├─  Xs  ERROR basic this is a log message
-1:main  ├─  Xs  INFO basic exit
+1:main  ├─ WARN basic internal error
+1:main  ├─ ERROR basic this is a log message
+1:main  ├─ INFO basic exit
 1:main ┌┘basic::server host="localhost", port=8080
 1:main┌┘basic::hierarchical-example version=0.1
 1:main┘basic::hierarchical-example version=0.1

examples/basic_non_verbose.stdout

@@ -1,29 +1,29 @@
 1:main┐basic_non_verbose::hierarchical-example version=0.1
 1:main└─┐basic_non_verbose::server host="localhost", port=8080
-1:main  ├─  Xms INFO basic_non_verbose starting
-1:main  ├─  Xs  INFO basic_non_verbose listening
+1:main  ├─ INFO basic_non_verbose starting
+1:main  ├─ INFO basic_non_verbose listening
 1:main  └─┐basic_non_verbose::conn peer_addr="82.9.9.9", port=42381
-1:main    ├─  Xms DEBUG basic_non_verbose connected
-1:main    ├─  Xms DEBUG basic_non_verbose message received, length=2
+1:main    ├─ DEBUG basic_non_verbose connected
+1:main    ├─ DEBUG basic_non_verbose message received, length=2
 1:main  ┌─┘
 1:main  └─┐basic_non_verbose::conn peer_addr="8.8.8.8", port=18230
-1:main    ├─  Xms DEBUG basic_non_verbose connected
+1:main    ├─ DEBUG basic_non_verbose connected
 1:main  ┌─┘
 1:main  └─┐basic_non_verbose::foomp 42 <- format string, normal_var=43
-1:main    ├─  Xms ERROR basic_non_verbose hello
+1:main    ├─ ERROR basic_non_verbose hello
 1:main  ┌─┘
 1:main  └─┐basic_non_verbose::conn peer_addr="82.9.9.9", port=42381
-1:main    ├─  Xms WARN basic_non_verbose weak encryption requested, algo="xor"
-1:main    ├─  Xms DEBUG basic_non_verbose response sent, length=8
-1:main    ├─  Xms DEBUG basic_non_verbose disconnected
+1:main    ├─ WARN basic_non_verbose weak encryption requested, algo="xor"
+1:main    ├─ DEBUG basic_non_verbose response sent, length=8
+1:main    ├─ DEBUG basic_non_verbose disconnected
 1:main  ┌─┘
 1:main  └─┐basic_non_verbose::conn peer_addr="8.8.8.8", port=18230
-1:main    ├─  Xms DEBUG basic_non_verbose message received, length=5
-1:main    ├─  Xms DEBUG basic_non_verbose response sent, length=8
-1:main    ├─  Xms DEBUG basic_non_verbose disconnected
+1:main    ├─ DEBUG basic_non_verbose message received, length=5
+1:main    ├─ DEBUG basic_non_verbose response sent, length=8
+1:main    ├─ DEBUG basic_non_verbose disconnected
 1:main  ┌─┘
-1:main  ├─  Xs  WARN basic_non_verbose internal error
-1:main  ├─  Xs  ERROR basic_non_verbose this is a log message
-1:main  ├─  Xs  INFO basic_non_verbose exit
+1:main  ├─ WARN basic_non_verbose internal error
+1:main  ├─ ERROR basic_non_verbose this is a log message
+1:main  ├─ INFO basic_non_verbose exit
 1:main┌─┘
 1:main┘

examples/basic_verbose_entry.stdout

@@ -1,35 +1,35 @@
 1:main┐basic_verbose_entry::hierarchical-example version=0.1
 1:main└┐basic_verbose_entry::hierarchical-example version=0.1
 1:main └┐basic_verbose_entry::server host="localhost", port=8080
-1:main  ├─  Xms INFO basic_verbose_entry starting
-1:main  ├─  Xs  INFO basic_verbose_entry listening
+1:main  ├─ INFO basic_verbose_entry starting
+1:main  ├─ INFO basic_verbose_entry listening
 1:main  └┐basic_verbose_entry::server host="localhost", port=8080
 1:main   └┐basic_verbose_entry::conn peer_addr="82.9.9.9", port=42381
-1:main    ├─  Xms DEBUG basic_verbose_entry connected
-1:main    ├─  Xms DEBUG basic_verbose_entry message received, length=2
+1:main    ├─ DEBUG basic_verbose_entry connected
+1:main    ├─ DEBUG basic_verbose_entry message received, length=2
 1:main  ┌─┘
 1:main  └┐basic_verbose_entry::server host="localhost", port=8080
 1:main   └┐basic_verbose_entry::conn peer_addr="8.8.8.8", port=18230
-1:main    ├─  Xms DEBUG basic_verbose_entry connected
+1:main    ├─ DEBUG basic_verbose_entry connected
 1:main  ┌─┘
 1:main  └┐basic_verbose_entry::server host="localhost", port=8080
 1:main   └┐basic_verbose_entry::foomp 42 <- format string, normal_var=43
-1:main    ├─  Xms ERROR basic_verbose_entry hello
+1:main    ├─ ERROR basic_verbose_entry hello
 1:main  ┌─┘
 1:main  └┐basic_verbose_entry::server host="localhost", port=8080
 1:main   └┐basic_verbose_entry::conn peer_addr="82.9.9.9", port=42381
-1:main    ├─  Xms WARN basic_verbose_entry weak encryption requested, algo="xor"
-1:main    ├─  Xms DEBUG basic_verbose_entry response sent, length=8
-1:main    ├─  Xms DEBUG basic_verbose_entry disconnected
+1:main    ├─ WARN basic_verbose_entry weak encryption requested, algo="xor"
+1:main    ├─ DEBUG basic_verbose_entry response sent, length=8
+1:main    ├─ DEBUG basic_verbose_entry disconnected
 1:main  ┌─┘
 1:main  └┐basic_verbose_entry::server host="localhost", port=8080
 1:main   └┐basic_verbose_entry::conn peer_addr="8.8.8.8", port=18230
-1:main    ├─  Xms DEBUG basic_verbose_entry message received, length=5
-1:main    ├─  Xms DEBUG basic_verbose_entry response sent, length=8
-1:main    ├─  Xms DEBUG basic_verbose_entry disconnected
+1:main    ├─ DEBUG basic_verbose_entry message received, length=5
+1:main    ├─ DEBUG basic_verbose_entry response sent, length=8
+1:main    ├─ DEBUG basic_verbose_entry disconnected
 1:main  ┌─┘
-1:main  ├─  Xs  WARN basic_verbose_entry internal error
-1:main  ├─  Xs  ERROR basic_verbose_entry this is a log message
-1:main  ├─  Xs  INFO basic_verbose_entry exit
+1:main  ├─ WARN basic_verbose_entry internal error
+1:main  ├─ ERROR basic_verbose_entry this is a log message
+1:main  ├─ INFO basic_verbose_entry exit
 1:main┌─┘
 1:main┘

examples/basic_verbose_exit.stdout

@@ -1,35 +1,35 @@
 1:main┐basic_verbose_exit::hierarchical-example version=0.1
 1:main└─┐basic_verbose_exit::server host="localhost", port=8080
-1:main  ├─  Xms INFO basic_verbose_exit starting
-1:main  ├─  Xs  INFO basic_verbose_exit listening
+1:main  ├─ INFO basic_verbose_exit starting
+1:main  ├─ INFO basic_verbose_exit listening
 1:main  └─┐basic_verbose_exit::conn peer_addr="82.9.9.9", port=42381
-1:main    ├─  Xms DEBUG basic_verbose_exit connected
-1:main    ├─  Xms DEBUG basic_verbose_exit message received, length=2
+1:main    ├─ DEBUG basic_verbose_exit connected
+1:main    ├─ DEBUG basic_verbose_exit message received, length=2
 1:main   ┌┘basic_verbose_exit::conn peer_addr="82.9.9.9", port=42381
 1:main  ┌┘basic_verbose_exit::server host="localhost", port=8080
 1:main  └─┐basic_verbose_exit::conn peer_addr="8.8.8.8", port=18230
-1:main    ├─  Xms DEBUG basic_verbose_exit connected
+1:main    ├─ DEBUG basic_verbose_exit connected
 1:main   ┌┘basic_verbose_exit::conn peer_addr="8.8.8.8", port=18230
 1:main  ┌┘basic_verbose_exit::server host="localhost", port=8080
 1:main  └─┐basic_verbose_exit::foomp 42 <- format string, normal_var=43
-1:main    ├─  Xms ERROR basic_verbose_exit hello
+1:main    ├─ ERROR basic_verbose_exit hello
 1:main   ┌┘basic_verbose_exit::foomp 42 <- format string, normal_var=43
 1:main  ┌┘basic_verbose_exit::server host="localhost", port=8080
 1:main  └─┐basic_verbose_exit::conn peer_addr="82.9.9.9", port=42381
-1:main    ├─  Xms WARN basic_verbose_exit weak encryption requested, algo="xor"
-1:main    ├─  Xms DEBUG basic_verbose_exit response sent, length=8
-1:main    ├─  Xms DEBUG basic_verbose_exit disconnected
+1:main    ├─ WARN basic_verbose_exit weak encryption requested, algo="xor"
+1:main    ├─ DEBUG basic_verbose_exit response sent, length=8
+1:main    ├─ DEBUG basic_verbose_exit disconnected
 1:main   ┌┘basic_verbose_exit::conn peer_addr="82.9.9.9", port=42381
 1:main  ┌┘basic_verbose_exit::server host="localhost", port=8080
 1:main  └─┐basic_verbose_exit::conn peer_addr="8.8.8.8", port=18230
-1:main    ├─  Xms DEBUG basic_verbose_exit message received, length=5
-1:main    ├─  Xms DEBUG basic_verbose_exit response sent, length=8
-1:main    ├─  Xms DEBUG basic_verbose_exit disconnected
+1:main    ├─ DEBUG basic_verbose_exit message received, length=5
+1:main    ├─ DEBUG basic_verbose_exit response sent, length=8
+1:main    ├─ DEBUG basic_verbose_exit disconnected
 1:main   ┌┘basic_verbose_exit::conn peer_addr="8.8.8.8", port=18230
 1:main  ┌┘basic_verbose_exit::server host="localhost", port=8080
-1:main  ├─  Xs  WARN basic_verbose_exit internal error
-1:main  ├─  Xs  ERROR basic_verbose_exit this is a log message
-1:main  ├─  Xs  INFO basic_verbose_exit exit
+1:main  ├─ WARN basic_verbose_exit internal error
+1:main  ├─ ERROR basic_verbose_exit this is a log message
+1:main  ├─ INFO basic_verbose_exit exit
 1:main ┌┘basic_verbose_exit::server host="localhost", port=8080
 1:main┌┘basic_verbose_exit::hierarchical-example version=0.1
 1:main┘basic_verbose_exit::hierarchical-example version=0.1

examples/concurrent.stdout

@@ -1,25 +1,25 @@
 1:main┐concurrent::hierarchical-example version=0.1
 1:main└───┐concurrent::server host="localhost", port=8080
-1:main    ├───  Xms INFO concurrent starting
-1:main    ├───  Xs  INFO concurrent listening
-1:main    ├───  Xs  DEBUG concurrent starting countdowns
+1:main    ├─── INFO concurrent starting
+1:main    ├─── INFO concurrent listening
+1:main    ├─── DEBUG concurrent starting countdowns
 1:main    └───┐concurrent::countdowns 
 1:main        └───┐concurrent::countdown_a 
-1:main            ├───  Xms DEBUG concurrent polling countdown, label="a", count=3
+1:main            ├─── DEBUG concurrent polling countdown, label="a", count=3
 1:main        └───┐concurrent::countdown_b 
-1:main            ├───  Xms DEBUG concurrent polling countdown, label="b", count=5
-1:main            ├───  Xms DEBUG concurrent polling countdown, label="b", count=4
+1:main            ├─── DEBUG concurrent polling countdown, label="b", count=5
+1:main            ├─── DEBUG concurrent polling countdown, label="b", count=4
 1:main        └───┐concurrent::countdown_a 
-1:main            ├───  Xms DEBUG concurrent polling countdown, label="a", count=2
+1:main            ├─── DEBUG concurrent polling countdown, label="a", count=2
 1:main    └───┐concurrent::conn peer_addr="82.9.9.9", port=42381
-1:main        ├───  Xms WARN concurrent peer1 warning
+1:main        ├─── WARN concurrent peer1 warning
 1:main    └───┐concurrent::countdowns 
-1:main        ├───  Xms INFO concurrent finished polling countdowns
+1:main        ├─── INFO concurrent finished polling countdowns
 1:main        ┌───┘
 1:main        ┌───┘
 1:main    ┌───┘
 1:main    ┌───┘
-1:main    ├───  Xs  INFO concurrent all done!
-1:main    ├───  Xs  INFO concurrent exit
+1:main    ├─── INFO concurrent all done!
+1:main    ├─── INFO concurrent exit
 1:main┌───┘
 1:main┘

examples/concurrent_eager.stdout

@@ -6,11 +6,11 @@
 1:main└───┐concurrent_eager::b 
 1:main┐concurrent_eager::spawn_fut key="a"
 1:main└───┐concurrent_eager::a 
-1:main    ├───  Xms INFO concurrent_eager a
+1:main    ├─── INFO concurrent_eager a
 1:main┌───┘
 1:main┐concurrent_eager::spawn_fut key="b"
 1:main└───┐concurrent_eager::b 
-1:main    ├───  Xms INFO concurrent_eager b
+1:main    ├─── INFO concurrent_eager b
 1:main┌───┘
 1:main┘
 1:main┘

examples/concurrent_verbose.stdout

@@ -1,25 +1,25 @@
 1:main┐concurrent_verbose::hierarchical-example version=0.1
 1:main└───┐concurrent_verbose::server host="localhost", port=8080
-1:main    ├───  Xms INFO concurrent_verbose starting
-1:main    ├───  Xs  INFO concurrent_verbose listening
-1:main    ├───  Xs  DEBUG concurrent_verbose starting countdowns
+1:main    ├─── INFO concurrent_verbose starting
+1:main    ├─── INFO concurrent_verbose listening
+1:main    ├─── DEBUG concurrent_verbose starting countdowns
 1:main    └─┐concurrent_verbose::server host="localhost", port=8080
 1:main      └─┐concurrent_verbose::countdowns 
 1:main        └───┐concurrent_verbose::countdown_a 
-1:main            ├───  Xms DEBUG concurrent_verbose polling countdown, label="a", count=3
+1:main            ├─── DEBUG concurrent_verbose polling countdown, label="a", count=3
 1:main        └─┐concurrent_verbose::countdowns 
 1:main          └─┐concurrent_verbose::countdown_b 
-1:main            ├───  Xms DEBUG concurrent_verbose polling countdown, label="b", count=5
-1:main            ├───  Xms DEBUG concurrent_verbose polling countdown, label="b", count=4
+1:main            ├─── DEBUG concurrent_verbose polling countdown, label="b", count=5
+1:main            ├─── DEBUG concurrent_verbose polling countdown, label="b", count=4
 1:main        └─┐concurrent_verbose::countdowns 
 1:main          └─┐concurrent_verbose::countdown_a 
-1:main            ├───  Xms DEBUG concurrent_verbose polling countdown, label="a", count=2
+1:main            ├─── DEBUG concurrent_verbose polling countdown, label="a", count=2
 1:main    └─┐concurrent_verbose::server host="localhost", port=8080
 1:main      └─┐concurrent_verbose::conn peer_addr="82.9.9.9", port=42381
-1:main        ├───  Xms WARN concurrent_verbose peer1 warning
+1:main        ├─── WARN concurrent_verbose peer1 warning
 1:main    └─┐concurrent_verbose::server host="localhost", port=8080
 1:main      └─┐concurrent_verbose::countdowns 
-1:main        ├───  Xms INFO concurrent_verbose finished polling countdowns
+1:main        ├─── INFO concurrent_verbose finished polling countdowns
 1:main          ┌─┘concurrent_verbose::countdown_b 
 1:main        ┌─┘concurrent_verbose::countdowns 
 1:main          ┌─┘concurrent_verbose::countdown_a 
@@ -28,8 +28,8 @@
 1:main    ┌─┘concurrent_verbose::server host="localhost", port=8080
 1:main      ┌─┘concurrent_verbose::conn peer_addr="82.9.9.9", port=42381
 1:main    ┌─┘concurrent_verbose::server host="localhost", port=8080
-1:main    ├───  Xs  INFO concurrent_verbose all done!
-1:main    ├───  Xs  INFO concurrent_verbose exit
+1:main    ├─── INFO concurrent_verbose all done!
+1:main    ├─── INFO concurrent_verbose exit
 1:main  ┌─┘concurrent_verbose::server host="localhost", port=8080
 1:main┌─┘concurrent_verbose::hierarchical-example version=0.1
 1:main┘concurrent_verbose::hierarchical-example version=0.1