See https://www.kernel.org/doc/Documentation/power/pm_qos_interface.txt
Alternatively the user mode program could write a hex string for the value using 10 char long format e.g. "0x12345678".
0x12345678 1950000 -> 0x001dc130 1846000 -> 0x001c2af0 1742000 -> 0x001a94b0 1586000 -> 0x00183350 1456000 -> 0x00163780 1300000 -> 0x0013d620 1157000 -> 0x0011a788 1053000 -> 0x00101148 949000 -> 0x000e7b08 806000 -> 0x000c4c70 650000 -> 0x0009eb10 546000 -> 0x000854d0 442000 -> 0x0006be90
2314000 -> 0x00234f10 2210000 -> 0x0021b8d0 2106000 -> 0x00202290 2002000 -> 0x001e8c50 1898000 -> 0x001cf610 1794000 -> 0x001b5fd0 1690000 -> 0x0019c990 1586000 -> 0x00183350 1508000 -> 0x001702a0 1404000 -> 0x00156c60 1222000 -> 0x0012a570 1066000 -> 0x00104410 962000 -> 0x000eadd0 845000 -> 0x000ce4c8 754000 -> 0x000b8150 650000 -> 0x0009eb10 507000 -> 0x0007bc78
2730000 -> 0x0029a810 2600000 -> 0x0027ac40 2530000 -> 0x00269ad0 2470000 -> 0x0025b070 2340000 -> 0x0023b4a0 2236000 -> 0x00221e60 2080000 -> 0x001fbd00 1976000 -> 0x001e26c0 1820000 -> 0x001bc560 1664000 -> 0x00196400 1560000 -> 0x0017cdc0 1456000 -> 0x00163780 1378000 -> 0x001506d0 1248000 -> 0x00130b00 1144000 -> 0x001174c0 1040000 -> 0x000fde80 936000 -> 0x000e4840 819000 -> 0x000c7f38 728000 -> 0x000b1bc0 624000 -> 0x00098580 520000 -> 0x0007ef40
702000 -> 0x0000ab630 650000 -> 0x00009eb10 572000 -> 0x00008ba60 433000 -> 0x000069b68 377000 -> 0x00005c0a8 325000 -> 0x00004f588 260000 -> 0x00003f7a0 200000 -> 0x000030d40 156000 -> 0x000026160